Home / 83,876,791.55-115,650,929.66-57,427,970.90

Finding the Fourth Proportional to 83,876,791.55, 115,650,929.66 and 57,427,970.90

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Solution

The fourth proportional to 83,876,791.55, 115,650,929.66 and 57,427,970.90 is: 79,182,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,876,791.55 : 115,650,929.66 = 57,427,970.90 : x
  2. Step 2: Convert to fraction form
    83,876,791.55/115,650,929.66 = 57,427,970.90/x
  3. Step 3: Cross multiply
    83,876,791.55x = 115,650,929.66 × 57,427,970.90
  4. Step 4: Simplify right side
    83,876,791.55x = 6,641,598,222,207,033
  5. Step 5: Solve for x
    x = 6,641,598,222,207,033/83,876,791.55
  6. Step 6: Final answer
    x = 79,182,788.23

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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.