Home / 56,358,881.28-77,822,652.12-42,396,034.44

Finding the Fourth Proportional to 56,358,881.28, 77,822,652.12 and 42,396,034.44

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Solution

The fourth proportional to 56,358,881.28, 77,822,652.12 and 42,396,034.44 is: 58,542,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,358,881.28 : 77,822,652.12 = 42,396,034.44 : x
  2. Step 2: Convert to fraction form
    56,358,881.28/77,822,652.12 = 42,396,034.44/x
  3. Step 3: Cross multiply
    56,358,881.28x = 77,822,652.12 × 42,396,034.44
  4. Step 4: Simplify right side
    56,358,881.28x = 3,299,371,839,491,659
  5. Step 5: Solve for x
    x = 3,299,371,839,491,659/56,358,881.28
  6. Step 6: Final answer
    x = 58,542,181.19

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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.