Home / 124,944,772.32-172,421,624.16-69,189,087.60

Finding the Fourth Proportional to 124,944,772.32, 172,421,624.16 and 69,189,087.60

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Solution

The fourth proportional to 124,944,772.32, 172,421,624.16 and 69,189,087.60 is: 95,479,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,944,772.32 : 172,421,624.16 = 69,189,087.60 : x
  2. Step 2: Convert to fraction form
    124,944,772.32/172,421,624.16 = 69,189,087.60/x
  3. Step 3: Cross multiply
    124,944,772.32x = 172,421,624.16 × 69,189,087.60
  4. Step 4: Simplify right side
    124,944,772.32x = 11,929,694,858,140,516
  5. Step 5: Solve for x
    x = 11,929,694,858,140,516/124,944,772.32
  6. Step 6: Final answer
    x = 95,479,743.86

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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.