Home / 247,680,417.04-371,520,691.17-72,803,458.24

Finding the Fourth Proportional to 247,680,417.04, 371,520,691.17 and 72,803,458.24

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Solution

The fourth proportional to 247,680,417.04, 371,520,691.17 and 72,803,458.24 is: 109,205,206.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,680,417.04 : 371,520,691.17 = 72,803,458.24 : x
  2. Step 2: Convert to fraction form
    247,680,417.04/371,520,691.17 = 72,803,458.24/x
  3. Step 3: Cross multiply
    247,680,417.04x = 371,520,691.17 × 72,803,458.24
  4. Step 4: Simplify right side
    247,680,417.04x = 27,047,991,123,033,428
  5. Step 5: Solve for x
    x = 27,047,991,123,033,428/247,680,417.04
  6. Step 6: Final answer
    x = 109,205,206.64

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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.