Home / 79,190,690.31-109,294,414.56-43,916,340.78

Finding the Fourth Proportional to 79,190,690.31, 109,294,414.56 and 43,916,340.78

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Solution

The fourth proportional to 79,190,690.31, 109,294,414.56 and 43,916,340.78 is: 60,610,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190,690.31 : 109,294,414.56 = 43,916,340.78 : x
  2. Step 2: Convert to fraction form
    79,190,690.31/109,294,414.56 = 43,916,340.78/x
  3. Step 3: Cross multiply
    79,190,690.31x = 109,294,414.56 × 43,916,340.78
  4. Step 4: Simplify right side
    79,190,690.31x = 4,799,810,755,167,554
  5. Step 5: Solve for x
    x = 4,799,810,755,167,554/79,190,690.31
  6. Step 6: Final answer
    x = 60,610,795.74

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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.