Home / 82,377,176.70-123,565,765.05-73,130,103.30

Finding the Fourth Proportional to 82,377,176.70, 123,565,765.05 and 73,130,103.30

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Solution

The fourth proportional to 82,377,176.70, 123,565,765.05 and 73,130,103.30 is: 109,695,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,377,176.70 : 123,565,765.05 = 73,130,103.30 : x
  2. Step 2: Convert to fraction form
    82,377,176.70/123,565,765.05 = 73,130,103.30/x
  3. Step 3: Cross multiply
    82,377,176.70x = 123,565,765.05 × 73,130,103.30
  4. Step 4: Simplify right side
    82,377,176.70x = 9,036,377,162,450,030
  5. Step 5: Solve for x
    x = 9,036,377,162,450,030/82,377,176.70
  6. Step 6: Final answer
    x = 109,695,154.95

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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.