Home / 129,037,286.40-193,555,929.60-117,093,350.40

Finding the Fourth Proportional to 129,037,286.40, 193,555,929.60 and 117,093,350.40

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Solution

The fourth proportional to 129,037,286.40, 193,555,929.60 and 117,093,350.40 is: 175,640,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,037,286.40 : 193,555,929.60 = 117,093,350.40 : x
  2. Step 2: Convert to fraction form
    129,037,286.40/193,555,929.60 = 117,093,350.40/x
  3. Step 3: Cross multiply
    129,037,286.40x = 193,555,929.60 × 117,093,350.40
  4. Step 4: Simplify right side
    129,037,286.40x = 22,664,112,286,650,532
  5. Step 5: Solve for x
    x = 22,664,112,286,650,532/129,037,286.40
  6. Step 6: Final answer
    x = 175,640,025.60

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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.