Home / 118,098,021.18-162,975,371.39-65,887,067.59

Finding the Fourth Proportional to 118,098,021.18, 162,975,371.39 and 65,887,067.59

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Solution

The fourth proportional to 118,098,021.18, 162,975,371.39 and 65,887,067.59 is: 90,924,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,021.18 : 162,975,371.39 = 65,887,067.59 : x
  2. Step 2: Convert to fraction form
    118,098,021.18/162,975,371.39 = 65,887,067.59/x
  3. Step 3: Cross multiply
    118,098,021.18x = 162,975,371.39 × 65,887,067.59
  4. Step 4: Simplify right side
    118,098,021.18x = 10,737,969,310,278,282
  5. Step 5: Solve for x
    x = 10,737,969,310,278,282/118,098,021.18
  6. Step 6: Final answer
    x = 90,924,210.27

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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.