Home / 84,200,418.30-126,300,627.45-73,786,799.10

Finding the Fourth Proportional to 84,200,418.30, 126,300,627.45 and 73,786,799.10

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Solution

The fourth proportional to 84,200,418.30, 126,300,627.45 and 73,786,799.10 is: 110,680,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,200,418.30 : 126,300,627.45 = 73,786,799.10 : x
  2. Step 2: Convert to fraction form
    84,200,418.30/126,300,627.45 = 73,786,799.10/x
  3. Step 3: Cross multiply
    84,200,418.30x = 126,300,627.45 × 73,786,799.10
  4. Step 4: Simplify right side
    84,200,418.30x = 9,319,319,023,857,094
  5. Step 5: Solve for x
    x = 9,319,319,023,857,094/84,200,418.30
  6. Step 6: Final answer
    x = 110,680,198.65

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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.