Home / 123,948,278.60-185,706,954.59-86,981,767.52

Finding the Fourth Proportional to 123,948,278.60, 185,706,954.59 and 86,981,767.52

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Solution

The fourth proportional to 123,948,278.60, 185,706,954.59 and 86,981,767.52 is: 130,321,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,948,278.60 : 185,706,954.59 = 86,981,767.52 : x
  2. Step 2: Convert to fraction form
    123,948,278.60/185,706,954.59 = 86,981,767.52/x
  3. Step 3: Cross multiply
    123,948,278.60x = 185,706,954.59 × 86,981,767.52
  4. Step 4: Simplify right side
    123,948,278.60x = 16,153,119,149,631,134
  5. Step 5: Solve for x
    x = 16,153,119,149,631,134/123,948,278.60
  6. Step 6: Final answer
    x = 130,321,448.05

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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.