Home / 82,377,176.20-123,565,764.30-73,130,102.80

Finding the Fourth Proportional to 82,377,176.20, 123,565,764.30 and 73,130,102.80

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Solution

The fourth proportional to 82,377,176.20, 123,565,764.30 and 73,130,102.80 is: 109,695,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,377,176.20 : 123,565,764.30 = 73,130,102.80 : x
  2. Step 2: Convert to fraction form
    82,377,176.20/123,565,764.30 = 73,130,102.80/x
  3. Step 3: Cross multiply
    82,377,176.20x = 123,565,764.30 × 73,130,102.80
  4. Step 4: Simplify right side
    82,377,176.20x = 9,036,377,045,819,570
  5. Step 5: Solve for x
    x = 9,036,377,045,819,570/82,377,176.20
  6. Step 6: Final answer
    x = 109,695,154.20

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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.