Home / 72,482,604.68-100,024,700.82-39,441,726.92

Finding the Fourth Proportional to 72,482,604.68, 100,024,700.82 and 39,441,726.92

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Solution

The fourth proportional to 72,482,604.68, 100,024,700.82 and 39,441,726.92 is: 54,428,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,482,604.68 : 100,024,700.82 = 39,441,726.92 : x
  2. Step 2: Convert to fraction form
    72,482,604.68/100,024,700.82 = 39,441,726.92/x
  3. Step 3: Cross multiply
    72,482,604.68x = 100,024,700.82 × 39,441,726.92
  4. Step 4: Simplify right side
    72,482,604.68x = 3,945,146,934,997,140
  5. Step 5: Solve for x
    x = 3,945,146,934,997,140/72,482,604.68
  6. Step 6: Final answer
    x = 54,428,879.21

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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.