Home / 206,780,023.08-285,398,775.72-123,197,117.04

Finding the Fourth Proportional to 206,780,023.08, 285,398,775.72 and 123,197,117.04

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Solution

The fourth proportional to 206,780,023.08, 285,398,775.72 and 123,197,117.04 is: 170,037,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,780,023.08 : 285,398,775.72 = 123,197,117.04 : x
  2. Step 2: Convert to fraction form
    206,780,023.08/285,398,775.72 = 123,197,117.04/x
  3. Step 3: Cross multiply
    206,780,023.08x = 285,398,775.72 × 123,197,117.04
  4. Step 4: Simplify right side
    206,780,023.08x = 35,160,306,375,449,556
  5. Step 5: Solve for x
    x = 35,160,306,375,449,556/206,780,023.08
  6. Step 6: Final answer
    x = 170,037,249.50

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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.