Home / 56,358,882.78-77,822,654.19-42,396,035.94

Finding the Fourth Proportional to 56,358,882.78, 77,822,654.19 and 42,396,035.94

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Solution

The fourth proportional to 56,358,882.78, 77,822,654.19 and 42,396,035.94 is: 58,542,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,358,882.78 : 77,822,654.19 = 42,396,035.94 : x
  2. Step 2: Convert to fraction form
    56,358,882.78/77,822,654.19 = 42,396,035.94/x
  3. Step 3: Cross multiply
    56,358,882.78x = 77,822,654.19 × 42,396,035.94
  4. Step 4: Simplify right side
    56,358,882.78x = 3,299,372,043,985,431.50
  5. Step 5: Solve for x
    x = 3,299,372,043,985,431.50/56,358,882.78
  6. Step 6: Final answer
    x = 58,542,183.26

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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.