Home / 198,277,677.12-297,532,922.88-83,253,374.40

Finding the Fourth Proportional to 198,277,677.12, 297,532,922.88 and 83,253,374.40

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Solution

The fourth proportional to 198,277,677.12, 297,532,922.88 and 83,253,374.40 is: 124,928,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,277,677.12 : 297,532,922.88 = 83,253,374.40 : x
  2. Step 2: Convert to fraction form
    198,277,677.12/297,532,922.88 = 83,253,374.40/x
  3. Step 3: Cross multiply
    198,277,677.12x = 297,532,922.88 × 83,253,374.40
  4. Step 4: Simplify right side
    198,277,677.12x = 24,770,619,824,854,968
  5. Step 5: Solve for x
    x = 24,770,619,824,854,968/198,277,677.12
  6. Step 6: Final answer
    x = 124,928,938.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.