Home / 70,432,819.20-105,523,257.60-43,474,982.40

Finding the Fourth Proportional to 70,432,819.20, 105,523,257.60 and 43,474,982.40

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Solution

The fourth proportional to 70,432,819.20, 105,523,257.60 and 43,474,982.40 is: 65,134,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,432,819.20 : 105,523,257.60 = 43,474,982.40 : x
  2. Step 2: Convert to fraction form
    70,432,819.20/105,523,257.60 = 43,474,982.40/x
  3. Step 3: Cross multiply
    70,432,819.20x = 105,523,257.60 × 43,474,982.40
  4. Step 4: Simplify right side
    70,432,819.20x = 4,587,621,766,950,666
  5. Step 5: Solve for x
    x = 4,587,621,766,950,666/70,432,819.20
  6. Step 6: Final answer
    x = 65,134,717.30

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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.