Home / 198,890,275.82-274,454,472.66-109,578,318.80

Finding the Fourth Proportional to 198,890,275.82, 274,454,472.66 and 109,578,318.80

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Solution

The fourth proportional to 198,890,275.82, 274,454,472.66 and 109,578,318.80 is: 151,210,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,890,275.82 : 274,454,472.66 = 109,578,318.80 : x
  2. Step 2: Convert to fraction form
    198,890,275.82/274,454,472.66 = 109,578,318.80/x
  3. Step 3: Cross multiply
    198,890,275.82x = 274,454,472.66 × 109,578,318.80
  4. Step 4: Simplify right side
    198,890,275.82x = 30,074,259,701,223,368
  5. Step 5: Solve for x
    x = 30,074,259,701,223,368/198,890,275.82
  6. Step 6: Final answer
    x = 151,210,307.18

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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.