Home / 140,939,544.20-194,500,993.96-81,399,734.24

Finding the Fourth Proportional to 140,939,544.20, 194,500,993.96 and 81,399,734.24

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Solution

The fourth proportional to 140,939,544.20, 194,500,993.96 and 81,399,734.24 is: 112,334,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,939,544.20 : 194,500,993.96 = 81,399,734.24 : x
  2. Step 2: Convert to fraction form
    140,939,544.20/194,500,993.96 = 81,399,734.24/x
  3. Step 3: Cross multiply
    140,939,544.20x = 194,500,993.96 × 81,399,734.24
  4. Step 4: Simplify right side
    140,939,544.20x = 15,832,329,218,212,704
  5. Step 5: Solve for x
    x = 15,832,329,218,212,704/140,939,544.20
  6. Step 6: Final answer
    x = 112,334,187.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.