Home / 260,831,912.70-391,247,869.05-158,795,240.70

Finding the Fourth Proportional to 260,831,912.70, 391,247,869.05 and 158,795,240.70

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Solution

The fourth proportional to 260,831,912.70, 391,247,869.05 and 158,795,240.70 is: 238,192,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,831,912.70 : 391,247,869.05 = 158,795,240.70 : x
  2. Step 2: Convert to fraction form
    260,831,912.70/391,247,869.05 = 158,795,240.70/x
  3. Step 3: Cross multiply
    260,831,912.70x = 391,247,869.05 × 158,795,240.70
  4. Step 4: Simplify right side
    260,831,912.70x = 62,128,299,539,156,824
  5. Step 5: Solve for x
    x = 62,128,299,539,156,824/260,831,912.70
  6. Step 6: Final answer
    x = 238,192,861.05

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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.