Home / 137,344,475.10-206,016,712.65-126,821,943.30

Finding the Fourth Proportional to 137,344,475.10, 206,016,712.65 and 126,821,943.30

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Solution

The fourth proportional to 137,344,475.10, 206,016,712.65 and 126,821,943.30 is: 190,232,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,344,475.10 : 206,016,712.65 = 126,821,943.30 : x
  2. Step 2: Convert to fraction form
    137,344,475.10/206,016,712.65 = 126,821,943.30/x
  3. Step 3: Cross multiply
    137,344,475.10x = 206,016,712.65 × 126,821,943.30
  4. Step 4: Simplify right side
    137,344,475.10x = 26,127,439,850,550,692
  5. Step 5: Solve for x
    x = 26,127,439,850,550,692/137,344,475.10
  6. Step 6: Final answer
    x = 190,232,914.95

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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.