Home / 198,044,538.35-297,066,807.53-189,647,770.55

Finding the Fourth Proportional to 198,044,538.35, 297,066,807.53 and 189,647,770.55

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Solution

The fourth proportional to 198,044,538.35, 297,066,807.53 and 189,647,770.55 is: 284,471,655.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,044,538.35 : 297,066,807.53 = 189,647,770.55 : x
  2. Step 2: Convert to fraction form
    198,044,538.35/297,066,807.53 = 189,647,770.55/x
  3. Step 3: Cross multiply
    198,044,538.35x = 297,066,807.53 × 189,647,770.55
  4. Step 4: Simplify right side
    198,044,538.35x = 56,338,057,751,522,216
  5. Step 5: Solve for x
    x = 56,338,057,751,522,216/198,044,538.35
  6. Step 6: Final answer
    x = 284,471,655.83

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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.