Home / 147,610,491.68-221,436,869.04-45,383,113.76

Finding the Fourth Proportional to 147,610,491.68, 221,436,869.04 and 45,383,113.76

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Solution

The fourth proportional to 147,610,491.68, 221,436,869.04 and 45,383,113.76 is: 68,081,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,610,491.68 : 221,436,869.04 = 45,383,113.76 : x
  2. Step 2: Convert to fraction form
    147,610,491.68/221,436,869.04 = 45,383,113.76/x
  3. Step 3: Cross multiply
    147,610,491.68x = 221,436,869.04 × 45,383,113.76
  4. Step 4: Simplify right side
    147,610,491.68x = 10,049,494,618,300,542
  5. Step 5: Solve for x
    x = 10,049,494,618,300,542/147,610,491.68
  6. Step 6: Final answer
    x = 68,081,167.56

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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.