Home / 185,665,874.13-278,508,061.79-70,659,329.85

Finding the Fourth Proportional to 185,665,874.13, 278,508,061.79 and 70,659,329.85

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Solution

The fourth proportional to 185,665,874.13, 278,508,061.79 and 70,659,329.85 is: 105,992,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,665,874.13 : 278,508,061.79 = 70,659,329.85 : x
  2. Step 2: Convert to fraction form
    185,665,874.13/278,508,061.79 = 70,659,329.85/x
  3. Step 3: Cross multiply
    185,665,874.13x = 278,508,061.79 × 70,659,329.85
  4. Step 4: Simplify right side
    185,665,874.13x = 19,679,193,003,903,792
  5. Step 5: Solve for x
    x = 19,679,193,003,903,792/185,665,874.13
  6. Step 6: Final answer
    x = 105,992,515.30

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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.