Home / 157,794,874.46-217,757,221.78-88,180,255.42

Finding the Fourth Proportional to 157,794,874.46, 217,757,221.78 and 88,180,255.42

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Solution

The fourth proportional to 157,794,874.46, 217,757,221.78 and 88,180,255.42 is: 121,688,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,794,874.46 : 217,757,221.78 = 88,180,255.42 : x
  2. Step 2: Convert to fraction form
    157,794,874.46/217,757,221.78 = 88,180,255.42/x
  3. Step 3: Cross multiply
    157,794,874.46x = 217,757,221.78 × 88,180,255.42
  4. Step 4: Simplify right side
    157,794,874.46x = 19,201,887,436,109,988
  5. Step 5: Solve for x
    x = 19,201,887,436,109,988/157,794,874.46
  6. Step 6: Final answer
    x = 121,688,917.35

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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.