Home / 185,922,427.77-278,560,446.69-130,472,661.15

Finding the Fourth Proportional to 185,922,427.77, 278,560,446.69 and 130,472,661.15

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Solution

The fourth proportional to 185,922,427.77, 278,560,446.69 and 130,472,661.15 is: 195,482,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,922,427.77 : 278,560,446.69 = 130,472,661.15 : x
  2. Step 2: Convert to fraction form
    185,922,427.77/278,560,446.69 = 130,472,661.15/x
  3. Step 3: Cross multiply
    185,922,427.77x = 278,560,446.69 × 130,472,661.15
  4. Step 4: Simplify right side
    185,922,427.77x = 36,344,522,770,777,008
  5. Step 5: Solve for x
    x = 36,344,522,770,777,008/185,922,427.77
  6. Step 6: Final answer
    x = 195,482,186.88

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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.