Home / 80,255,514.20-120,387,207.90-41,991,762.20

Finding the Fourth Proportional to 80,255,514.20, 120,387,207.90 and 41,991,762.20

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Solution

The fourth proportional to 80,255,514.20, 120,387,207.90 and 41,991,762.20 is: 62,989,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,255,514.20 : 120,387,207.90 = 41,991,762.20 : x
  2. Step 2: Convert to fraction form
    80,255,514.20/120,387,207.90 = 41,991,762.20/x
  3. Step 3: Cross multiply
    80,255,514.20x = 120,387,207.90 × 41,991,762.20
  4. Step 4: Simplify right side
    80,255,514.20x = 5,055,271,006,058,762
  5. Step 5: Solve for x
    x = 5,055,271,006,058,762/80,255,514.20
  6. Step 6: Final answer
    x = 62,989,703.03

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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.