Home / 70,956,750.30-106,435,125.45-25,512,639.90

Finding the Fourth Proportional to 70,956,750.30, 106,435,125.45 and 25,512,639.90

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Solution

The fourth proportional to 70,956,750.30, 106,435,125.45 and 25,512,639.90 is: 38,268,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,956,750.30 : 106,435,125.45 = 25,512,639.90 : x
  2. Step 2: Convert to fraction form
    70,956,750.30/106,435,125.45 = 25,512,639.90/x
  3. Step 3: Cross multiply
    70,956,750.30x = 106,435,125.45 × 25,512,639.90
  4. Step 4: Simplify right side
    70,956,750.30x = 2,715,441,028,317,175.50
  5. Step 5: Solve for x
    x = 2,715,441,028,317,175.50/70,956,750.30
  6. Step 6: Final answer
    x = 38,268,959.85

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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.