Home / 129,322,025.20-193,983,037.80-112,693,826.80

Finding the Fourth Proportional to 129,322,025.20, 193,983,037.80 and 112,693,826.80

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Solution

The fourth proportional to 129,322,025.20, 193,983,037.80 and 112,693,826.80 is: 169,040,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,322,025.20 : 193,983,037.80 = 112,693,826.80 : x
  2. Step 2: Convert to fraction form
    129,322,025.20/193,983,037.80 = 112,693,826.80/x
  3. Step 3: Cross multiply
    129,322,025.20x = 193,983,037.80 × 112,693,826.80
  4. Step 4: Simplify right side
    129,322,025.20x = 21,860,690,863,971,052
  5. Step 5: Solve for x
    x = 21,860,690,863,971,052/129,322,025.20
  6. Step 6: Final answer
    x = 169,040,740.20

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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.