Home / 148,003,105.28-221,914,759.28-74,140,985.52

Finding the Fourth Proportional to 148,003,105.28, 221,914,759.28 and 74,140,985.52

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Solution

The fourth proportional to 148,003,105.28, 221,914,759.28 and 74,140,985.52 is: 111,166,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,003,105.28 : 221,914,759.28 = 74,140,985.52 : x
  2. Step 2: Convert to fraction form
    148,003,105.28/221,914,759.28 = 74,140,985.52/x
  3. Step 3: Cross multiply
    148,003,105.28x = 221,914,759.28 × 74,140,985.52
  4. Step 4: Simplify right side
    148,003,105.28x = 16,452,978,954,082,060
  5. Step 5: Solve for x
    x = 16,452,978,954,082,060/148,003,105.28
  6. Step 6: Final answer
    x = 111,166,444.27

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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.