Home / 43,716,821.20-65,575,231.80-20,992,238.80

Finding the Fourth Proportional to 43,716,821.20, 65,575,231.80 and 20,992,238.80

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Solution

The fourth proportional to 43,716,821.20, 65,575,231.80 and 20,992,238.80 is: 31,488,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,716,821.20 : 65,575,231.80 = 20,992,238.80 : x
  2. Step 2: Convert to fraction form
    43,716,821.20/65,575,231.80 = 20,992,238.80/x
  3. Step 3: Cross multiply
    43,716,821.20x = 65,575,231.80 × 20,992,238.80
  4. Step 4: Simplify right side
    43,716,821.20x = 1,376,570,925,310,953.75
  5. Step 5: Solve for x
    x = 1,376,570,925,310,953.75/43,716,821.20
  6. Step 6: Final answer
    x = 31,488,358.20

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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.