Home / 71,843,773.52-107,692,040.48-54,535,333.73

Finding the Fourth Proportional to 71,843,773.52, 107,692,040.48 and 54,535,333.73

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Solution

The fourth proportional to 71,843,773.52, 107,692,040.48 and 54,535,333.73 is: 81,747,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,843,773.52 : 107,692,040.48 = 54,535,333.73 : x
  2. Step 2: Convert to fraction form
    71,843,773.52/107,692,040.48 = 54,535,333.73/x
  3. Step 3: Cross multiply
    71,843,773.52x = 107,692,040.48 × 54,535,333.73
  4. Step 4: Simplify right side
    71,843,773.52x = 5,873,021,366,830,332
  5. Step 5: Solve for x
    x = 5,873,021,366,830,332/71,843,773.52
  6. Step 6: Final answer
    x = 81,747,117.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.