Home / 137,344,541.10-206,016,811.65-126,822,009.30

Finding the Fourth Proportional to 137,344,541.10, 206,016,811.65 and 126,822,009.30

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Solution

The fourth proportional to 137,344,541.10, 206,016,811.65 and 126,822,009.30 is: 190,233,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,344,541.10 : 206,016,811.65 = 126,822,009.30 : x
  2. Step 2: Convert to fraction form
    137,344,541.10/206,016,811.65 = 126,822,009.30/x
  3. Step 3: Cross multiply
    137,344,541.10x = 206,016,811.65 × 126,822,009.30
  4. Step 4: Simplify right side
    137,344,541.10x = 26,127,466,003,032,648
  5. Step 5: Solve for x
    x = 26,127,466,003,032,648/137,344,541.10
  6. Step 6: Final answer
    x = 190,233,013.95

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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.