Home / 198,219,451.30-297,236,710.53-75,420,626.02

Finding the Fourth Proportional to 198,219,451.30, 297,236,710.53 and 75,420,626.02

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Solution

The fourth proportional to 198,219,451.30, 297,236,710.53 and 75,420,626.02 is: 113,095,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,219,451.30 : 297,236,710.53 = 75,420,626.02 : x
  2. Step 2: Convert to fraction form
    198,219,451.30/297,236,710.53 = 75,420,626.02/x
  3. Step 3: Cross multiply
    198,219,451.30x = 297,236,710.53 × 75,420,626.02
  4. Step 4: Simplify right side
    198,219,451.30x = 22,417,778,784,298,124
  5. Step 5: Solve for x
    x = 22,417,778,784,298,124/198,219,451.30
  6. Step 6: Final answer
    x = 113,095,756.43

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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.