Home / 198,890,279.82-274,454,478.18-109,578,322.80

Finding the Fourth Proportional to 198,890,279.82, 274,454,478.18 and 109,578,322.80

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Solution

The fourth proportional to 198,890,279.82, 274,454,478.18 and 109,578,322.80 is: 151,210,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,890,279.82 : 274,454,478.18 = 109,578,322.80 : x
  2. Step 2: Convert to fraction form
    198,890,279.82/274,454,478.18 = 109,578,322.80/x
  3. Step 3: Cross multiply
    198,890,279.82x = 274,454,478.18 × 109,578,322.80
  4. Step 4: Simplify right side
    198,890,279.82x = 30,074,261,403,913,596
  5. Step 5: Solve for x
    x = 30,074,261,403,913,596/198,890,279.82
  6. Step 6: Final answer
    x = 151,210,312.70

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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.