Home / 87,840,641.59-121,220,082.99-48,688,300.56

Finding the Fourth Proportional to 87,840,641.59, 121,220,082.99 and 48,688,300.56

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Solution

The fourth proportional to 87,840,641.59, 121,220,082.99 and 48,688,300.56 is: 67,189,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,840,641.59 : 121,220,082.99 = 48,688,300.56 : x
  2. Step 2: Convert to fraction form
    87,840,641.59/121,220,082.99 = 48,688,300.56/x
  3. Step 3: Cross multiply
    87,840,641.59x = 121,220,082.99 × 48,688,300.56
  4. Step 4: Simplify right side
    87,840,641.59x = 5,901,999,834,434,789
  5. Step 5: Solve for x
    x = 5,901,999,834,434,789/87,840,641.59
  6. Step 6: Final answer
    x = 67,189,853.44

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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.