Home / 121,198,195.83-181,822,857.41-39,310,714.47

Finding the Fourth Proportional to 121,198,195.83, 181,822,857.41 and 39,310,714.47

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Solution

The fourth proportional to 121,198,195.83, 181,822,857.41 and 39,310,714.47 is: 58,974,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,198,195.83 : 181,822,857.41 = 39,310,714.47 : x
  2. Step 2: Convert to fraction form
    121,198,195.83/181,822,857.41 = 39,310,714.47/x
  3. Step 3: Cross multiply
    121,198,195.83x = 181,822,857.41 × 39,310,714.47
  4. Step 4: Simplify right side
    121,198,195.83x = 7,147,586,431,764,033
  5. Step 5: Solve for x
    x = 7,147,586,431,764,033/121,198,195.83
  6. Step 6: Final answer
    x = 58,974,363.30

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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.