Home / 144,073,427.50-198,821,287.83-77,993,876.73

Finding the Fourth Proportional to 144,073,427.50, 198,821,287.83 and 77,993,876.73

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Solution

The fourth proportional to 144,073,427.50, 198,821,287.83 and 77,993,876.73 is: 107,631,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,073,427.50 : 198,821,287.83 = 77,993,876.73 : x
  2. Step 2: Convert to fraction form
    144,073,427.50/198,821,287.83 = 77,993,876.73/x
  3. Step 3: Cross multiply
    144,073,427.50x = 198,821,287.83 × 77,993,876.73
  4. Step 4: Simplify right side
    144,073,427.50x = 15,506,843,015,350,926
  5. Step 5: Solve for x
    x = 15,506,843,015,350,926/144,073,427.50
  6. Step 6: Final answer
    x = 107,631,527.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.