Home / 71,669,064.20-98,676,785.62-65,123,150.40

Finding the Fourth Proportional to 71,669,064.20, 98,676,785.62 and 65,123,150.40

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Solution

The fourth proportional to 71,669,064.20, 98,676,785.62 and 65,123,150.40 is: 89,664,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,669,064.20 : 98,676,785.62 = 65,123,150.40 : x
  2. Step 2: Convert to fraction form
    71,669,064.20/98,676,785.62 = 65,123,150.40/x
  3. Step 3: Cross multiply
    71,669,064.20x = 98,676,785.62 × 65,123,150.40
  4. Step 4: Simplify right side
    71,669,064.20x = 6,426,143,150,757,010
  5. Step 5: Solve for x
    x = 6,426,143,150,757,010/71,669,064.20
  6. Step 6: Final answer
    x = 89,664,114.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.