Home / 75,178,628.20-112,767,942.30-44,945,540.20

Finding the Fourth Proportional to 75,178,628.20, 112,767,942.30 and 44,945,540.20

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Solution

The fourth proportional to 75,178,628.20, 112,767,942.30 and 44,945,540.20 is: 67,418,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,178,628.20 : 112,767,942.30 = 44,945,540.20 : x
  2. Step 2: Convert to fraction form
    75,178,628.20/112,767,942.30 = 44,945,540.20/x
  3. Step 3: Cross multiply
    75,178,628.20x = 112,767,942.30 × 44,945,540.20
  4. Step 4: Simplify right side
    75,178,628.20x = 5,068,416,083,915,931
  5. Step 5: Solve for x
    x = 5,068,416,083,915,931/75,178,628.20
  6. Step 6: Final answer
    x = 67,418,310.30

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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.