Home / 43,716,820.80-65,575,231.20-13,420,747.20

Finding the Fourth Proportional to 43,716,820.80, 65,575,231.20 and 13,420,747.20

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Solution

The fourth proportional to 43,716,820.80, 65,575,231.20 and 13,420,747.20 is: 20,131,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,716,820.80 : 65,575,231.20 = 13,420,747.20 : x
  2. Step 2: Convert to fraction form
    43,716,820.80/65,575,231.20 = 13,420,747.20/x
  3. Step 3: Cross multiply
    43,716,820.80x = 65,575,231.20 × 13,420,747.20
  4. Step 4: Simplify right side
    43,716,820.80x = 880,068,600,516,752.62
  5. Step 5: Solve for x
    x = 880,068,600,516,752.62/43,716,820.80
  6. Step 6: Final answer
    x = 20,131,120.80

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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.