Home / 198,202,459.68-297,236,271.60-75,351,146.40

Finding the Fourth Proportional to 198,202,459.68, 297,236,271.60 and 75,351,146.40

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Solution

The fourth proportional to 198,202,459.68, 297,236,271.60 and 75,351,146.40 is: 113,001,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,202,459.68 : 297,236,271.60 = 75,351,146.40 : x
  2. Step 2: Convert to fraction form
    198,202,459.68/297,236,271.60 = 75,351,146.40/x
  3. Step 3: Cross multiply
    198,202,459.68x = 297,236,271.60 × 75,351,146.40
  4. Step 4: Simplify right side
    198,202,459.68x = 22,397,093,816,721,764
  5. Step 5: Solve for x
    x = 22,397,093,816,721,764/198,202,459.68
  6. Step 6: Final answer
    x = 113,001,089.15

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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.