Home / 85,100,551,728.90-127,650,827,593.35-50,272,034,352.90

Finding the Fourth Proportional to 85,100,551,728.90, 127,650,827,593.35 and 50,272,034,352.90

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Solution

The fourth proportional to 85,100,551,728.90, 127,650,827,593.35 and 50,272,034,352.90 is: 75,408,051,529.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,551,728.90 : 127,650,827,593.35 = 50,272,034,352.90 : x
  2. Step 2: Convert to fraction form
    85,100,551,728.90/127,650,827,593.35 = 50,272,034,352.90/x
  3. Step 3: Cross multiply
    85,100,551,728.90x = 127,650,827,593.35 × 50,272,034,352.90
  4. Step 4: Simplify right side
    85,100,551,728.90x = 6,417,266,789,949,006,413,824
  5. Step 5: Solve for x
    x = 6,417,266,789,949,006,413,824/85,100,551,728.90
  6. Step 6: Final answer
    x = 75,408,051,529.35

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Double scale
Find fourth proportional to 85,100,551,729.90, 127,650,827,594.85 and 50,272,034,353.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.