Home / 124,659,919.30-172,027,685.66-68,142,153.10

Finding the Fourth Proportional to 124,659,919.30, 172,027,685.66 and 68,142,153.10

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Solution

The fourth proportional to 124,659,919.30, 172,027,685.66 and 68,142,153.10 is: 94,034,529.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,659,919.30 : 172,027,685.66 = 68,142,153.10 : x
  2. Step 2: Convert to fraction form
    124,659,919.30/172,027,685.66 = 68,142,153.10/x
  3. Step 3: Cross multiply
    124,659,919.30x = 172,027,685.66 × 68,142,153.10
  4. Step 4: Simplify right side
    124,659,919.30x = 11,722,336,893,809,802
  5. Step 5: Solve for x
    x = 11,722,336,893,809,802/124,659,919.30
  6. Step 6: Final answer
    x = 94,034,529.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.