Home / 193,156,718.18-289,635,544.46-71,925,767.78

Finding the Fourth Proportional to 193,156,718.18, 289,635,544.46 and 71,925,767.78

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Solution

The fourth proportional to 193,156,718.18, 289,635,544.46 and 71,925,767.78 is: 107,851,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,156,718.18 : 289,635,544.46 = 71,925,767.78 : x
  2. Step 2: Convert to fraction form
    193,156,718.18/289,635,544.46 = 71,925,767.78/x
  3. Step 3: Cross multiply
    193,156,718.18x = 289,635,544.46 × 71,925,767.78
  4. Step 4: Simplify right side
    193,156,718.18x = 20,832,258,910,395,464
  5. Step 5: Solve for x
    x = 20,832,258,910,395,464/193,156,718.18
  6. Step 6: Final answer
    x = 107,851,588.63

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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.