Home / 141,272,951.68-194,835,273.80-91,664,443.36

Finding the Fourth Proportional to 141,272,951.68, 194,835,273.80 and 91,664,443.36

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Solution

The fourth proportional to 141,272,951.68, 194,835,273.80 and 91,664,443.36 is: 126,418,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,272,951.68 : 194,835,273.80 = 91,664,443.36 : x
  2. Step 2: Convert to fraction form
    141,272,951.68/194,835,273.80 = 91,664,443.36/x
  3. Step 3: Cross multiply
    141,272,951.68x = 194,835,273.80 × 91,664,443.36
  4. Step 4: Simplify right side
    141,272,951.68x = 17,859,466,919,770,192
  5. Step 5: Solve for x
    x = 17,859,466,919,770,192/141,272,951.68
  6. Step 6: Final answer
    x = 126,418,162.20

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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.