Home / 119,987,134.92-179,990,034.12-39,216,267.72

Finding the Fourth Proportional to 119,987,134.92, 179,990,034.12 and 39,216,267.72

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Solution

The fourth proportional to 119,987,134.92, 179,990,034.12 and 39,216,267.72 is: 58,827,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,987,134.92 : 179,990,034.12 = 39,216,267.72 : x
  2. Step 2: Convert to fraction form
    119,987,134.92/179,990,034.12 = 39,216,267.72/x
  3. Step 3: Cross multiply
    119,987,134.92x = 179,990,034.12 × 39,216,267.72
  4. Step 4: Simplify right side
    119,987,134.92x = 7,058,537,364,981,855
  5. Step 5: Solve for x
    x = 7,058,537,364,981,855/119,987,134.92
  6. Step 6: Final answer
    x = 58,827,451.54

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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.