Home / 206,009,167.13-284,222,339.60-127,664,134.91

Finding the Fourth Proportional to 206,009,167.13, 284,222,339.60 and 127,664,134.91

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Solution

The fourth proportional to 206,009,167.13, 284,222,339.60 and 127,664,134.91 is: 176,132,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,009,167.13 : 284,222,339.60 = 127,664,134.91 : x
  2. Step 2: Convert to fraction form
    206,009,167.13/284,222,339.60 = 127,664,134.91/x
  3. Step 3: Cross multiply
    206,009,167.13x = 284,222,339.60 × 127,664,134.91
  4. Step 4: Simplify right side
    206,009,167.13x = 36,284,999,105,070,808
  5. Step 5: Solve for x
    x = 36,284,999,105,070,808/206,009,167.13
  6. Step 6: Final answer
    x = 176,132,934.33

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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.