Home / 185,919,999.20-278,879,998.80-95,013,375.20

Finding the Fourth Proportional to 185,919,999.20, 278,879,998.80 and 95,013,375.20

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Solution

The fourth proportional to 185,919,999.20, 278,879,998.80 and 95,013,375.20 is: 142,520,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,919,999.20 : 278,879,998.80 = 95,013,375.20 : x
  2. Step 2: Convert to fraction form
    185,919,999.20/278,879,998.80 = 95,013,375.20/x
  3. Step 3: Cross multiply
    185,919,999.20x = 278,879,998.80 × 95,013,375.20
  4. Step 4: Simplify right side
    185,919,999.20x = 26,497,329,961,759,952
  5. Step 5: Solve for x
    x = 26,497,329,961,759,952/185,919,999.20
  6. Step 6: Final answer
    x = 142,520,062.80

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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.