Home / 83,801,865.98-115,581,059.78-54,442,658.07

Finding the Fourth Proportional to 83,801,865.98, 115,581,059.78 and 54,442,658.07

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Solution

The fourth proportional to 83,801,865.98, 115,581,059.78 and 54,442,658.07 is: 75,088,305.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,801,865.98 : 115,581,059.78 = 54,442,658.07 : x
  2. Step 2: Convert to fraction form
    83,801,865.98/115,581,059.78 = 54,442,658.07/x
  3. Step 3: Cross multiply
    83,801,865.98x = 115,581,059.78 × 54,442,658.07
  4. Step 4: Simplify right side
    83,801,865.98x = 6,292,540,116,970,770
  5. Step 5: Solve for x
    x = 6,292,540,116,970,770/83,801,865.98
  6. Step 6: Final answer
    x = 75,088,305.53

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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.