Home / 218,363,875.92-327,436,288.92-72,746,242.56

Finding the Fourth Proportional to 218,363,875.92, 327,436,288.92 and 72,746,242.56

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Solution

The fourth proportional to 218,363,875.92, 327,436,288.92 and 72,746,242.56 is: 109,082,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,363,875.92 : 327,436,288.92 = 72,746,242.56 : x
  2. Step 2: Convert to fraction form
    218,363,875.92/327,436,288.92 = 72,746,242.56/x
  3. Step 3: Cross multiply
    218,363,875.92x = 327,436,288.92 × 72,746,242.56
  4. Step 4: Simplify right side
    218,363,875.92x = 23,819,759,696,720,564
  5. Step 5: Solve for x
    x = 23,819,759,696,720,564/218,363,875.92
  6. Step 6: Final answer
    x = 109,082,876.44

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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.