Home / 185,922,427.27-278,560,445.94-130,472,660.65

Finding the Fourth Proportional to 185,922,427.27, 278,560,445.94 and 130,472,660.65

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Solution

The fourth proportional to 185,922,427.27, 278,560,445.94 and 130,472,660.65 is: 195,482,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,922,427.27 : 278,560,445.94 = 130,472,660.65 : x
  2. Step 2: Convert to fraction form
    185,922,427.27/278,560,445.94 = 130,472,660.65/x
  3. Step 3: Cross multiply
    185,922,427.27x = 278,560,445.94 × 130,472,660.65
  4. Step 4: Simplify right side
    185,922,427.27x = 36,344,522,533,642,288
  5. Step 5: Solve for x
    x = 36,344,522,533,642,288/185,922,427.27
  6. Step 6: Final answer
    x = 195,482,186.13

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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.