Home / 124,659,344.20-186,989,016.30-115,589,417.80

Finding the Fourth Proportional to 124,659,344.20, 186,989,016.30 and 115,589,417.80

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Solution

The fourth proportional to 124,659,344.20, 186,989,016.30 and 115,589,417.80 is: 173,384,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,659,344.20 : 186,989,016.30 = 115,589,417.80 : x
  2. Step 2: Convert to fraction form
    124,659,344.20/186,989,016.30 = 115,589,417.80/x
  3. Step 3: Cross multiply
    124,659,344.20x = 186,989,016.30 × 115,589,417.80
  4. Step 4: Simplify right side
    124,659,344.20x = 21,613,951,529,111,712
  5. Step 5: Solve for x
    x = 21,613,951,529,111,712/124,659,344.20
  6. Step 6: Final answer
    x = 173,384,126.70

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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.