Home / 260,831,572.20-391,247,358.30-158,794,900.20

Finding the Fourth Proportional to 260,831,572.20, 391,247,358.30 and 158,794,900.20

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Solution

The fourth proportional to 260,831,572.20, 391,247,358.30 and 158,794,900.20 is: 238,192,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,831,572.20 : 391,247,358.30 = 158,794,900.20 : x
  2. Step 2: Convert to fraction form
    260,831,572.20/391,247,358.30 = 158,794,900.20/x
  3. Step 3: Cross multiply
    260,831,572.20x = 391,247,358.30 × 158,794,900.20
  4. Step 4: Simplify right side
    260,831,572.20x = 62,128,085,214,762,136
  5. Step 5: Solve for x
    x = 62,128,085,214,762,136/260,831,572.20
  6. Step 6: Final answer
    x = 238,192,350.30

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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.