Home / 82,440,003.60-123,660,005.40-28,592,758.80

Finding the Fourth Proportional to 82,440,003.60, 123,660,005.40 and 28,592,758.80

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Solution

The fourth proportional to 82,440,003.60, 123,660,005.40 and 28,592,758.80 is: 42,889,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,440,003.60 : 123,660,005.40 = 28,592,758.80 : x
  2. Step 2: Convert to fraction form
    82,440,003.60/123,660,005.40 = 28,592,758.80/x
  3. Step 3: Cross multiply
    82,440,003.60x = 123,660,005.40 × 28,592,758.80
  4. Step 4: Simplify right side
    82,440,003.60x = 3,535,780,707,608,898
  5. Step 5: Solve for x
    x = 3,535,780,707,608,898/82,440,003.60
  6. Step 6: Final answer
    x = 42,889,138.20

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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.