Home / 111,921,568.29-154,452,376.95-64,906,517.07

Finding the Fourth Proportional to 111,921,568.29, 154,452,376.95 and 64,906,517.07

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Solution

The fourth proportional to 111,921,568.29, 154,452,376.95 and 64,906,517.07 is: 89,571,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,921,568.29 : 154,452,376.95 = 64,906,517.07 : x
  2. Step 2: Convert to fraction form
    111,921,568.29/154,452,376.95 = 64,906,517.07/x
  3. Step 3: Cross multiply
    111,921,568.29x = 154,452,376.95 × 64,906,517.07
  4. Step 4: Simplify right side
    111,921,568.29x = 10,024,965,841,007,248
  5. Step 5: Solve for x
    x = 10,024,965,841,007,248/111,921,568.29
  6. Step 6: Final answer
    x = 89,571,348.88

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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.