Home / 125,680,523.60-188,520,785.40-96,982,709.60

Finding the Fourth Proportional to 125,680,523.60, 188,520,785.40 and 96,982,709.60

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Solution

The fourth proportional to 125,680,523.60, 188,520,785.40 and 96,982,709.60 is: 145,474,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,680,523.60 : 188,520,785.40 = 96,982,709.60 : x
  2. Step 2: Convert to fraction form
    125,680,523.60/188,520,785.40 = 96,982,709.60/x
  3. Step 3: Cross multiply
    125,680,523.60x = 188,520,785.40 × 96,982,709.60
  4. Step 4: Simplify right side
    125,680,523.60x = 18,283,256,584,012,120
  5. Step 5: Solve for x
    x = 18,283,256,584,012,120/125,680,523.60
  6. Step 6: Final answer
    x = 145,474,064.40

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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.