Home / 121,198,194.83-181,822,855.91-39,310,713.47

Finding the Fourth Proportional to 121,198,194.83, 181,822,855.91 and 39,310,713.47

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Solution

The fourth proportional to 121,198,194.83, 181,822,855.91 and 39,310,713.47 is: 58,974,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,198,194.83 : 181,822,855.91 = 39,310,713.47 : x
  2. Step 2: Convert to fraction form
    121,198,194.83/181,822,855.91 = 39,310,713.47/x
  3. Step 3: Cross multiply
    121,198,194.83x = 181,822,855.91 × 39,310,713.47
  4. Step 4: Simplify right side
    121,198,194.83x = 7,147,586,189,869,439
  5. Step 5: Solve for x
    x = 7,147,586,189,869,439/121,198,194.83
  6. Step 6: Final answer
    x = 58,974,361.79

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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.