Home / 347,632,002.80-521,448,004.20-132,193,257.20

Finding the Fourth Proportional to 347,632,002.80, 521,448,004.20 and 132,193,257.20

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Solution

The fourth proportional to 347,632,002.80, 521,448,004.20 and 132,193,257.20 is: 198,289,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,632,002.80 : 521,448,004.20 = 132,193,257.20 : x
  2. Step 2: Convert to fraction form
    347,632,002.80/521,448,004.20 = 132,193,257.20/x
  3. Step 3: Cross multiply
    347,632,002.80x = 521,448,004.20 × 132,193,257.20
  4. Step 4: Simplify right side
    347,632,002.80x = 68,931,910,135,637,280
  5. Step 5: Solve for x
    x = 68,931,910,135,637,280/347,632,002.80
  6. Step 6: Final answer
    x = 198,289,885.80

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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.