Home / 148,330,081.20-222,589,600.20-86,919,121.20

Finding the Fourth Proportional to 148,330,081.20, 222,589,600.20 and 86,919,121.20

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Solution

The fourth proportional to 148,330,081.20, 222,589,600.20 and 86,919,121.20 is: 130,434,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,330,081.20 : 222,589,600.20 = 86,919,121.20 : x
  2. Step 2: Convert to fraction form
    148,330,081.20/222,589,600.20 = 86,919,121.20/x
  3. Step 3: Cross multiply
    148,330,081.20x = 222,589,600.20 × 86,919,121.20
  4. Step 4: Simplify right side
    148,330,081.20x = 19,347,292,437,643,344
  5. Step 5: Solve for x
    x = 19,347,292,437,643,344/148,330,081.20
  6. Step 6: Final answer
    x = 130,434,044.67

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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.