Home / 132,018,019.68-198,026,757.36-74,484,173.28

Finding the Fourth Proportional to 132,018,019.68, 198,026,757.36 and 74,484,173.28

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Solution

The fourth proportional to 132,018,019.68, 198,026,757.36 and 74,484,173.28 is: 111,726,106.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,018,019.68 : 198,026,757.36 = 74,484,173.28 : x
  2. Step 2: Convert to fraction form
    132,018,019.68/198,026,757.36 = 74,484,173.28/x
  3. Step 3: Cross multiply
    132,018,019.68x = 198,026,757.36 × 74,484,173.28
  4. Step 4: Simplify right side
    132,018,019.68x = 14,749,859,309,278,756
  5. Step 5: Solve for x
    x = 14,749,859,309,278,756/132,018,019.68
  6. Step 6: Final answer
    x = 111,726,106.37

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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.