Home / 75,815,999.70-113,723,999.55-74,682,258.90

Finding the Fourth Proportional to 75,815,999.70, 113,723,999.55 and 74,682,258.90

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Solution

The fourth proportional to 75,815,999.70, 113,723,999.55 and 74,682,258.90 is: 112,023,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,815,999.70 : 113,723,999.55 = 74,682,258.90 : x
  2. Step 2: Convert to fraction form
    75,815,999.70/113,723,999.55 = 74,682,258.90/x
  3. Step 3: Cross multiply
    75,815,999.70x = 113,723,999.55 × 74,682,258.90
  4. Step 4: Simplify right side
    75,815,999.70x = 8,493,165,177,536,584
  5. Step 5: Solve for x
    x = 8,493,165,177,536,584/75,815,999.70
  6. Step 6: Final answer
    x = 112,023,388.35

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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.