Home / 306,792,891.20-459,797,426.40-124,834,491.20

Finding the Fourth Proportional to 306,792,891.20, 459,797,426.40 and 124,834,491.20

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Solution

The fourth proportional to 306,792,891.20, 459,797,426.40 and 124,834,491.20 is: 187,092,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,792,891.20 : 459,797,426.40 = 124,834,491.20 : x
  2. Step 2: Convert to fraction form
    306,792,891.20/459,797,426.40 = 124,834,491.20/x
  3. Step 3: Cross multiply
    306,792,891.20x = 459,797,426.40 × 124,834,491.20
  4. Step 4: Simplify right side
    306,792,891.20x = 57,398,577,779,713,448
  5. Step 5: Solve for x
    x = 57,398,577,779,713,448/306,792,891.20
  6. Step 6: Final answer
    x = 187,092,267.87

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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.