Home / 205,758,391.28-284,182,239.78-135,508,036.55

Finding the Fourth Proportional to 205,758,391.28, 284,182,239.78 and 135,508,036.55

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Solution

The fourth proportional to 205,758,391.28, 284,182,239.78 and 135,508,036.55 is: 187,156,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,758,391.28 : 284,182,239.78 = 135,508,036.55 : x
  2. Step 2: Convert to fraction form
    205,758,391.28/284,182,239.78 = 135,508,036.55/x
  3. Step 3: Cross multiply
    205,758,391.28x = 284,182,239.78 × 135,508,036.55
  4. Step 4: Simplify right side
    205,758,391.28x = 38,508,977,333,548,184
  5. Step 5: Solve for x
    x = 38,508,977,333,548,184/205,758,391.28
  6. Step 6: Final answer
    x = 187,156,290.90

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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.