Home / 82,442,590.20-123,663,885.30-28,589,902.20

Finding the Fourth Proportional to 82,442,590.20, 123,663,885.30 and 28,589,902.20

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Solution

The fourth proportional to 82,442,590.20, 123,663,885.30 and 28,589,902.20 is: 42,884,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,442,590.20 : 123,663,885.30 = 28,589,902.20 : x
  2. Step 2: Convert to fraction form
    82,442,590.20/123,663,885.30 = 28,589,902.20/x
  3. Step 3: Cross multiply
    82,442,590.20x = 123,663,885.30 × 28,589,902.20
  4. Step 4: Simplify right side
    82,442,590.20x = 3,535,538,386,399,017.50
  5. Step 5: Solve for x
    x = 3,535,538,386,399,017.50/82,442,590.20
  6. Step 6: Final answer
    x = 42,884,853.30

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Double scale
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Similar ratio
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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.