Home / 141,177,983.04-194,830,342.11-78,456,724.47

Finding the Fourth Proportional to 141,177,983.04, 194,830,342.11 and 78,456,724.47

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Solution

The fourth proportional to 141,177,983.04, 194,830,342.11 and 78,456,724.47 is: 108,272,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,177,983.04 : 194,830,342.11 = 78,456,724.47 : x
  2. Step 2: Convert to fraction form
    141,177,983.04/194,830,342.11 = 78,456,724.47/x
  3. Step 3: Cross multiply
    141,177,983.04x = 194,830,342.11 × 78,456,724.47
  4. Step 4: Simplify right side
    141,177,983.04x = 15,285,750,469,320,110
  5. Step 5: Solve for x
    x = 15,285,750,469,320,110/141,177,983.04
  6. Step 6: Final answer
    x = 108,272,905.88

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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.