Home / 129,471,200.80-194,206,801.20-52,752,407.20

Finding the Fourth Proportional to 129,471,200.80, 194,206,801.20 and 52,752,407.20

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Solution

The fourth proportional to 129,471,200.80, 194,206,801.20 and 52,752,407.20 is: 79,128,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,471,200.80 : 194,206,801.20 = 52,752,407.20 : x
  2. Step 2: Convert to fraction form
    129,471,200.80/194,206,801.20 = 52,752,407.20/x
  3. Step 3: Cross multiply
    129,471,200.80x = 194,206,801.20 × 52,752,407.20
  4. Step 4: Simplify right side
    129,471,200.80x = 10,244,876,257,911,848
  5. Step 5: Solve for x
    x = 10,244,876,257,911,848/129,471,200.80
  6. Step 6: Final answer
    x = 79,128,610.80

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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.