Home / 71,755,535.20-107,666,895.12-31,360,770.40

Finding the Fourth Proportional to 71,755,535.20, 107,666,895.12 and 31,360,770.40

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Solution

The fourth proportional to 71,755,535.20, 107,666,895.12 and 31,360,770.40 is: 47,055,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,755,535.20 : 107,666,895.12 = 31,360,770.40 : x
  2. Step 2: Convert to fraction form
    71,755,535.20/107,666,895.12 = 31,360,770.40/x
  3. Step 3: Cross multiply
    71,755,535.20x = 107,666,895.12 × 31,360,770.40
  4. Step 4: Simplify right side
    71,755,535.20x = 3,376,516,777,539,200.50
  5. Step 5: Solve for x
    x = 3,376,516,777,539,200.50/71,755,535.20
  6. Step 6: Final answer
    x = 47,055,837.13

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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.