Home / 198,806,281.68-274,350,053.04-109,496,511.12

Finding the Fourth Proportional to 198,806,281.68, 274,350,053.04 and 109,496,511.12

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Solution

The fourth proportional to 198,806,281.68, 274,350,053.04 and 109,496,511.12 is: 151,103,744.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,806,281.68 : 274,350,053.04 = 109,496,511.12 : x
  2. Step 2: Convert to fraction form
    198,806,281.68/274,350,053.04 = 109,496,511.12/x
  3. Step 3: Cross multiply
    198,806,281.68x = 274,350,053.04 × 109,496,511.12
  4. Step 4: Simplify right side
    198,806,281.68x = 30,040,373,633,466,952
  5. Step 5: Solve for x
    x = 30,040,373,633,466,952/198,806,281.68
  6. Step 6: Final answer
    x = 151,103,744.71

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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.