Home / 198,004,395.20-297,454,490.40-137,538,219.20

Finding the Fourth Proportional to 198,004,395.20, 297,454,490.40 and 137,538,219.20

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Solution

The fourth proportional to 198,004,395.20, 297,454,490.40 and 137,538,219.20 is: 206,618,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,004,395.20 : 297,454,490.40 = 137,538,219.20 : x
  2. Step 2: Convert to fraction form
    198,004,395.20/297,454,490.40 = 137,538,219.20/x
  3. Step 3: Cross multiply
    198,004,395.20x = 297,454,490.40 × 137,538,219.20
  4. Step 4: Simplify right side
    198,004,395.20x = 40,911,360,902,659,488
  5. Step 5: Solve for x
    x = 40,911,360,902,659,488/198,004,395.20
  6. Step 6: Final answer
    x = 206,618,448.35

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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.