Home / 79,865,737.92-119,483,400.02-60,490,776.87

Finding the Fourth Proportional to 79,865,737.92, 119,483,400.02 and 60,490,776.87

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Solution

The fourth proportional to 79,865,737.92, 119,483,400.02 and 60,490,776.87 is: 90,497,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,865,737.92 : 119,483,400.02 = 60,490,776.87 : x
  2. Step 2: Convert to fraction form
    79,865,737.92/119,483,400.02 = 60,490,776.87/x
  3. Step 3: Cross multiply
    79,865,737.92x = 119,483,400.02 × 60,490,776.87
  4. Step 4: Simplify right side
    79,865,737.92x = 7,227,643,689,976,319
  5. Step 5: Solve for x
    x = 7,227,643,689,976,319/79,865,737.92
  6. Step 6: Final answer
    x = 90,497,425.78

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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.