Home / 123,948,296.58-185,706,981.60-86,981,785.50

Finding the Fourth Proportional to 123,948,296.58, 185,706,981.60 and 86,981,785.50

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Solution

The fourth proportional to 123,948,296.58, 185,706,981.60 and 86,981,785.50 is: 130,321,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,948,296.58 : 185,706,981.60 = 86,981,785.50 : x
  2. Step 2: Convert to fraction form
    123,948,296.58/185,706,981.60 = 86,981,785.50/x
  3. Step 3: Cross multiply
    123,948,296.58x = 185,706,981.60 × 86,981,785.50
  4. Step 4: Simplify right side
    123,948,296.58x = 16,153,124,839,383,646
  5. Step 5: Solve for x
    x = 16,153,124,839,383,646/123,948,296.58
  6. Step 6: Final answer
    x = 130,321,475.04

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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.