Home / 186,715,512.30-280,073,268.45-132,189,665.70

Finding the Fourth Proportional to 186,715,512.30, 280,073,268.45 and 132,189,665.70

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Solution

The fourth proportional to 186,715,512.30, 280,073,268.45 and 132,189,665.70 is: 198,284,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,715,512.30 : 280,073,268.45 = 132,189,665.70 : x
  2. Step 2: Convert to fraction form
    186,715,512.30/280,073,268.45 = 132,189,665.70/x
  3. Step 3: Cross multiply
    186,715,512.30x = 280,073,268.45 × 132,189,665.70
  4. Step 4: Simplify right side
    186,715,512.30x = 37,022,791,727,911,856
  5. Step 5: Solve for x
    x = 37,022,791,727,911,856/186,715,512.30
  6. Step 6: Final answer
    x = 198,284,498.55

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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.