Home / 144,073,474.23-198,821,352.49-77,993,923.50

Finding the Fourth Proportional to 144,073,474.23, 198,821,352.49 and 77,993,923.50

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Solution

The fourth proportional to 144,073,474.23, 198,821,352.49 and 77,993,923.50 is: 107,631,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,073,474.23 : 198,821,352.49 = 77,993,923.50 : x
  2. Step 2: Convert to fraction form
    144,073,474.23/198,821,352.49 = 77,993,923.50/x
  3. Step 3: Cross multiply
    144,073,474.23x = 198,821,352.49 × 77,993,923.50
  4. Step 4: Simplify right side
    144,073,474.23x = 15,506,857,356,855,454
  5. Step 5: Solve for x
    x = 15,506,857,356,855,454/144,073,474.23
  6. Step 6: Final answer
    x = 107,631,591.73

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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.