Home / 198,219,449.80-297,236,708.28-75,420,624.52

Finding the Fourth Proportional to 198,219,449.80, 297,236,708.28 and 75,420,624.52

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Solution

The fourth proportional to 198,219,449.80, 297,236,708.28 and 75,420,624.52 is: 113,095,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,219,449.80 : 297,236,708.28 = 75,420,624.52 : x
  2. Step 2: Convert to fraction form
    198,219,449.80/297,236,708.28 = 75,420,624.52/x
  3. Step 3: Cross multiply
    198,219,449.80x = 297,236,708.28 × 75,420,624.52
  4. Step 4: Simplify right side
    198,219,449.80x = 22,417,778,168,746,652
  5. Step 5: Solve for x
    x = 22,417,778,168,746,652/198,219,449.80
  6. Step 6: Final answer
    x = 113,095,754.18

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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.