Home / 198,130,777.20-296,608,300.20-147,238,412.40

Finding the Fourth Proportional to 198,130,777.20, 296,608,300.20 and 147,238,412.40

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Solution

The fourth proportional to 198,130,777.20, 296,608,300.20 and 147,238,412.40 is: 220,420,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,130,777.20 : 296,608,300.20 = 147,238,412.40 : x
  2. Step 2: Convert to fraction form
    198,130,777.20/296,608,300.20 = 147,238,412.40/x
  3. Step 3: Cross multiply
    198,130,777.20x = 296,608,300.20 × 147,238,412.40
  4. Step 4: Simplify right side
    198,130,777.20x = 43,672,135,226,110,600
  5. Step 5: Solve for x
    x = 43,672,135,226,110,600/198,130,777.20
  6. Step 6: Final answer
    x = 220,420,753.62

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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.