Home / 137,344,499.60-206,016,749.40-126,821,967.80

Finding the Fourth Proportional to 137,344,499.60, 206,016,749.40 and 126,821,967.80

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Solution

The fourth proportional to 137,344,499.60, 206,016,749.40 and 126,821,967.80 is: 190,232,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,344,499.60 : 206,016,749.40 = 126,821,967.80 : x
  2. Step 2: Convert to fraction form
    137,344,499.60/206,016,749.40 = 126,821,967.80/x
  3. Step 3: Cross multiply
    137,344,499.60x = 206,016,749.40 × 126,821,967.80
  4. Step 4: Simplify right side
    137,344,499.60x = 26,127,449,558,667,468
  5. Step 5: Solve for x
    x = 26,127,449,558,667,468/137,344,499.60
  6. Step 6: Final answer
    x = 190,232,951.70

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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.