Home / 56,358,883.28-77,822,654.88-42,396,036.44

Finding the Fourth Proportional to 56,358,883.28, 77,822,654.88 and 42,396,036.44

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Solution

The fourth proportional to 56,358,883.28, 77,822,654.88 and 42,396,036.44 is: 58,542,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,358,883.28 : 77,822,654.88 = 42,396,036.44 : x
  2. Step 2: Convert to fraction form
    56,358,883.28/77,822,654.88 = 42,396,036.44/x
  3. Step 3: Cross multiply
    56,358,883.28x = 77,822,654.88 × 42,396,036.44
  4. Step 4: Simplify right side
    56,358,883.28x = 3,299,372,112,150,023.50
  5. Step 5: Solve for x
    x = 3,299,372,112,150,023.50/56,358,883.28
  6. Step 6: Final answer
    x = 58,542,183.95

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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.