Home / 247,352,480.60-371,028,720.90-85,794,416.60

Finding the Fourth Proportional to 247,352,480.60, 371,028,720.90 and 85,794,416.60

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Solution

The fourth proportional to 247,352,480.60, 371,028,720.90 and 85,794,416.60 is: 128,691,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,352,480.60 : 371,028,720.90 = 85,794,416.60 : x
  2. Step 2: Convert to fraction form
    247,352,480.60/371,028,720.90 = 85,794,416.60/x
  3. Step 3: Cross multiply
    247,352,480.60x = 371,028,720.90 × 85,794,416.60
  4. Step 4: Simplify right side
    247,352,480.60x = 31,832,192,651,459,724
  5. Step 5: Solve for x
    x = 31,832,192,651,459,724/247,352,480.60
  6. Step 6: Final answer
    x = 128,691,624.90

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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.