Home / 159,894,242.62-220,655,576.02-93,815,864.98

Finding the Fourth Proportional to 159,894,242.62, 220,655,576.02 and 93,815,864.98

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Solution

The fourth proportional to 159,894,242.62, 220,655,576.02 and 93,815,864.98 is: 129,466,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,894,242.62 : 220,655,576.02 = 93,815,864.98 : x
  2. Step 2: Convert to fraction form
    159,894,242.62/220,655,576.02 = 93,815,864.98/x
  3. Step 3: Cross multiply
    159,894,242.62x = 220,655,576.02 × 93,815,864.98
  4. Step 4: Simplify right side
    159,894,242.62x = 20,700,993,726,976,448
  5. Step 5: Solve for x
    x = 20,700,993,726,976,448/159,894,242.62
  6. Step 6: Final answer
    x = 129,466,786.22

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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.