Home / 198,182,422.16-297,311,916.20-75,351,189.20

Finding the Fourth Proportional to 198,182,422.16, 297,311,916.20 and 75,351,189.20

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Solution

The fourth proportional to 198,182,422.16, 297,311,916.20 and 75,351,189.20 is: 113,041,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,182,422.16 : 297,311,916.20 = 75,351,189.20 : x
  2. Step 2: Convert to fraction form
    198,182,422.16/297,311,916.20 = 75,351,189.20/x
  3. Step 3: Cross multiply
    198,182,422.16x = 297,311,916.20 × 75,351,189.20
  4. Step 4: Simplify right side
    198,182,422.16x = 22,402,806,449,000,744
  5. Step 5: Solve for x
    x = 22,402,806,449,000,744/198,182,422.16
  6. Step 6: Final answer
    x = 113,041,339.41

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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.