Home / 347,630,757.80-521,446,136.70-132,192,012.20

Finding the Fourth Proportional to 347,630,757.80, 521,446,136.70 and 132,192,012.20

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Solution

The fourth proportional to 347,630,757.80, 521,446,136.70 and 132,192,012.20 is: 198,288,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,630,757.80 : 521,446,136.70 = 132,192,012.20 : x
  2. Step 2: Convert to fraction form
    347,630,757.80/521,446,136.70 = 132,192,012.20/x
  3. Step 3: Cross multiply
    347,630,757.80x = 521,446,136.70 × 132,192,012.20
  4. Step 4: Simplify right side
    347,630,757.80x = 68,931,014,064,289,264
  5. Step 5: Solve for x
    x = 68,931,014,064,289,264/347,630,757.80
  6. Step 6: Final answer
    x = 198,288,018.30

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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.