Home / 85,100,551,657.15-127,650,827,485.73-50,272,034,281.15

Finding the Fourth Proportional to 85,100,551,657.15, 127,650,827,485.73 and 50,272,034,281.15

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Solution

The fourth proportional to 85,100,551,657.15, 127,650,827,485.73 and 50,272,034,281.15 is: 75,408,051,421.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,551,657.15 : 127,650,827,485.73 = 50,272,034,281.15 : x
  2. Step 2: Convert to fraction form
    85,100,551,657.15/127,650,827,485.73 = 50,272,034,281.15/x
  3. Step 3: Cross multiply
    85,100,551,657.15x = 127,650,827,485.73 × 50,272,034,281.15
  4. Step 4: Simplify right side
    85,100,551,657.15x = 6,417,266,775,379,783,188,480
  5. Step 5: Solve for x
    x = 6,417,266,775,379,783,188,480/85,100,551,657.15
  6. Step 6: Final answer
    x = 75,408,051,421.73

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Double scale
Find fourth proportional to 85,100,551,658.15, 127,650,827,487.23 and 50,272,034,282.15
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.