Home / 311,718,885.92-430,171,781.81-175,957,704.27

Finding the Fourth Proportional to 311,718,885.92, 430,171,781.81 and 175,957,704.27

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Solution

The fourth proportional to 311,718,885.92, 430,171,781.81 and 175,957,704.27 is: 242,821,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,718,885.92 : 430,171,781.81 = 175,957,704.27 : x
  2. Step 2: Convert to fraction form
    311,718,885.92/430,171,781.81 = 175,957,704.27/x
  3. Step 3: Cross multiply
    311,718,885.92x = 430,171,781.81 × 175,957,704.27
  4. Step 4: Simplify right side
    311,718,885.92x = 75,692,039,167,849,696
  5. Step 5: Solve for x
    x = 75,692,039,167,849,696/311,718,885.92
  6. Step 6: Final answer
    x = 242,821,473.41

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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.