Home / 78,316,250.82-108,078,352.17-43,033,773.48

Finding the Fourth Proportional to 78,316,250.82, 108,078,352.17 and 43,033,773.48

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Solution

The fourth proportional to 78,316,250.82, 108,078,352.17 and 43,033,773.48 is: 59,387,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,316,250.82 : 108,078,352.17 = 43,033,773.48 : x
  2. Step 2: Convert to fraction form
    78,316,250.82/108,078,352.17 = 43,033,773.48/x
  3. Step 3: Cross multiply
    78,316,250.82x = 108,078,352.17 × 43,033,773.48
  4. Step 4: Simplify right side
    78,316,250.82x = 4,651,019,325,375,446
  5. Step 5: Solve for x
    x = 4,651,019,325,375,446/78,316,250.82
  6. Step 6: Final answer
    x = 59,387,665.74

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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.