Home / 109,981,008.90-165,077,801.55-66,934,287.90

Finding the Fourth Proportional to 109,981,008.90, 165,077,801.55 and 66,934,287.90

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Solution

The fourth proportional to 109,981,008.90, 165,077,801.55 and 66,934,287.90 is: 100,466,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,981,008.90 : 165,077,801.55 = 66,934,287.90 : x
  2. Step 2: Convert to fraction form
    109,981,008.90/165,077,801.55 = 66,934,287.90/x
  3. Step 3: Cross multiply
    109,981,008.90x = 165,077,801.55 × 66,934,287.90
  4. Step 4: Simplify right side
    109,981,008.90x = 11,049,365,094,846,766
  5. Step 5: Solve for x
    x = 11,049,365,094,846,766/109,981,008.90
  6. Step 6: Final answer
    x = 100,466,118.70

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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.