Home / 137,344,540.60-206,016,810.90-126,822,008.80

Finding the Fourth Proportional to 137,344,540.60, 206,016,810.90 and 126,822,008.80

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Solution

The fourth proportional to 137,344,540.60, 206,016,810.90 and 126,822,008.80 is: 190,233,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,344,540.60 : 206,016,810.90 = 126,822,008.80 : x
  2. Step 2: Convert to fraction form
    137,344,540.60/206,016,810.90 = 126,822,008.80/x
  3. Step 3: Cross multiply
    137,344,540.60x = 206,016,810.90 × 126,822,008.80
  4. Step 4: Simplify right side
    137,344,540.60x = 26,127,465,804,907,736
  5. Step 5: Solve for x
    x = 26,127,465,804,907,736/137,344,540.60
  6. Step 6: Final answer
    x = 190,233,013.20

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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.