Home / 185,922,442.40-278,560,468.62-130,472,675.78

Finding the Fourth Proportional to 185,922,442.40, 278,560,468.62 and 130,472,675.78

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Solution

The fourth proportional to 185,922,442.40, 278,560,468.62 and 130,472,675.78 is: 195,482,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,922,442.40 : 278,560,468.62 = 130,472,675.78 : x
  2. Step 2: Convert to fraction form
    185,922,442.40/278,560,468.62 = 130,472,675.78/x
  3. Step 3: Cross multiply
    185,922,442.40x = 278,560,468.62 × 130,472,675.78
  4. Step 4: Simplify right side
    185,922,442.40x = 36,344,529,707,382,128
  5. Step 5: Solve for x
    x = 36,344,529,707,382,128/185,922,442.40
  6. Step 6: Final answer
    x = 195,482,208.81

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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.