Home / 110,800,934.20-166,201,401.30-85,291,766.20

Finding the Fourth Proportional to 110,800,934.20, 166,201,401.30 and 85,291,766.20

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Solution

The fourth proportional to 110,800,934.20, 166,201,401.30 and 85,291,766.20 is: 127,937,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,800,934.20 : 166,201,401.30 = 85,291,766.20 : x
  2. Step 2: Convert to fraction form
    110,800,934.20/166,201,401.30 = 85,291,766.20/x
  3. Step 3: Cross multiply
    110,800,934.20x = 166,201,401.30 × 85,291,766.20
  4. Step 4: Simplify right side
    110,800,934.20x = 14,175,611,061,791,978
  5. Step 5: Solve for x
    x = 14,175,611,061,791,978/110,800,934.20
  6. Step 6: Final answer
    x = 127,937,649.30

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1.5x scale

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.