Home / 185,375,280.10-278,188,891.35-103,494,000.10

Finding the Fourth Proportional to 185,375,280.10, 278,188,891.35 and 103,494,000.10

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Solution

The fourth proportional to 185,375,280.10, 278,188,891.35 and 103,494,000.10 is: 155,311,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,375,280.10 : 278,188,891.35 = 103,494,000.10 : x
  2. Step 2: Convert to fraction form
    185,375,280.10/278,188,891.35 = 103,494,000.10/x
  3. Step 3: Cross multiply
    185,375,280.10x = 278,188,891.35 × 103,494,000.10
  4. Step 4: Simplify right side
    185,375,280.10x = 28,790,881,149,195,788
  5. Step 5: Solve for x
    x = 28,790,881,149,195,788/185,375,280.10
  6. Step 6: Final answer
    x = 155,311,329.18

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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.