Home / 85,100,552,006.40-127,650,828,009.60-50,272,034,630.40

Finding the Fourth Proportional to 85,100,552,006.40, 127,650,828,009.60 and 50,272,034,630.40

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Solution

The fourth proportional to 85,100,552,006.40, 127,650,828,009.60 and 50,272,034,630.40 is: 75,408,051,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,552,006.40 : 127,650,828,009.60 = 50,272,034,630.40 : x
  2. Step 2: Convert to fraction form
    85,100,552,006.40/127,650,828,009.60 = 50,272,034,630.40/x
  3. Step 3: Cross multiply
    85,100,552,006.40x = 127,650,828,009.60 × 50,272,034,630.40
  4. Step 4: Simplify right side
    85,100,552,006.40x = 6,417,266,846,297,845,923,840
  5. Step 5: Solve for x
    x = 6,417,266,846,297,845,923,840/85,100,552,006.40
  6. Step 6: Final answer
    x = 75,408,051,945.60

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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.