Home / 90,987,148,091.52-136,499,336,481.87-31,288,057,167.92

Finding the Fourth Proportional to 90,987,148,091.52, 136,499,336,481.87 and 31,288,057,167.92

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Solution

The fourth proportional to 90,987,148,091.52, 136,499,336,481.87 and 31,288,057,167.92 is: 46,938,486,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,987,148,091.52 : 136,499,336,481.87 = 31,288,057,167.92 : x
  2. Step 2: Convert to fraction form
    90,987,148,091.52/136,499,336,481.87 = 31,288,057,167.92/x
  3. Step 3: Cross multiply
    90,987,148,091.52x = 136,499,336,481.87 × 31,288,057,167.92
  4. Step 4: Simplify right side
    90,987,148,091.52x = 4,270,799,043,227,214,151,680
  5. Step 5: Solve for x
    x = 4,270,799,043,227,214,151,680/90,987,148,091.52
  6. Step 6: Final answer
    x = 46,938,486,729.26

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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.