Home / 124,944,774.32-172,421,626.92-69,189,089.60

Finding the Fourth Proportional to 124,944,774.32, 172,421,626.92 and 69,189,089.60

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Solution

The fourth proportional to 124,944,774.32, 172,421,626.92 and 69,189,089.60 is: 95,479,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,944,774.32 : 172,421,626.92 = 69,189,089.60 : x
  2. Step 2: Convert to fraction form
    124,944,774.32/172,421,626.92 = 69,189,089.60/x
  3. Step 3: Cross multiply
    124,944,774.32x = 172,421,626.92 × 69,189,089.60
  4. Step 4: Simplify right side
    124,944,774.32x = 11,929,695,393,945,650
  5. Step 5: Solve for x
    x = 11,929,695,393,945,650/124,944,774.32
  6. Step 6: Final answer
    x = 95,479,746.62

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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.