Home / 154,247,244.13-212,861,601.12-83,682,850.68

Finding the Fourth Proportional to 154,247,244.13, 212,861,601.12 and 83,682,850.68

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Solution

The fourth proportional to 154,247,244.13, 212,861,601.12 and 83,682,850.68 is: 115,482,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,247,244.13 : 212,861,601.12 = 83,682,850.68 : x
  2. Step 2: Convert to fraction form
    154,247,244.13/212,861,601.12 = 83,682,850.68/x
  3. Step 3: Cross multiply
    154,247,244.13x = 212,861,601.12 × 83,682,850.68
  4. Step 4: Simplify right side
    154,247,244.13x = 17,812,865,581,873,360
  5. Step 5: Solve for x
    x = 17,812,865,581,873,360/154,247,244.13
  6. Step 6: Final answer
    x = 115,482,553.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.