Home / 185,665,873.13-278,508,060.29-70,659,328.85

Finding the Fourth Proportional to 185,665,873.13, 278,508,060.29 and 70,659,328.85

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Solution

The fourth proportional to 185,665,873.13, 278,508,060.29 and 70,659,328.85 is: 105,992,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,665,873.13 : 278,508,060.29 = 70,659,328.85 : x
  2. Step 2: Convert to fraction form
    185,665,873.13/278,508,060.29 = 70,659,328.85/x
  3. Step 3: Cross multiply
    185,665,873.13x = 278,508,060.29 × 70,659,328.85
  4. Step 4: Simplify right side
    185,665,873.13x = 19,679,192,617,660,900
  5. Step 5: Solve for x
    x = 19,679,192,617,660,900/185,665,873.13
  6. Step 6: Final answer
    x = 105,992,513.79

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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.