Home / 148,409,785.80-222,551,693.10-71,756,310.60

Finding the Fourth Proportional to 148,409,785.80, 222,551,693.10 and 71,756,310.60

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Solution

The fourth proportional to 148,409,785.80, 222,551,693.10 and 71,756,310.60 is: 107,604,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,409,785.80 : 222,551,693.10 = 71,756,310.60 : x
  2. Step 2: Convert to fraction form
    148,409,785.80/222,551,693.10 = 71,756,310.60/x
  3. Step 3: Cross multiply
    148,409,785.80x = 222,551,693.10 × 71,756,310.60
  4. Step 4: Simplify right side
    148,409,785.80x = 15,969,488,414,639,476
  5. Step 5: Solve for x
    x = 15,969,488,414,639,476/148,409,785.80
  6. Step 6: Final answer
    x = 107,604,012.29

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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.