Home / 284,653,234.11-427,033,301.40-129,217,951.71

Finding the Fourth Proportional to 284,653,234.11, 427,033,301.40 and 129,217,951.71

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Solution

The fourth proportional to 284,653,234.11, 427,033,301.40 and 129,217,951.71 is: 193,851,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,653,234.11 : 427,033,301.40 = 129,217,951.71 : x
  2. Step 2: Convert to fraction form
    284,653,234.11/427,033,301.40 = 129,217,951.71/x
  3. Step 3: Cross multiply
    284,653,234.11x = 427,033,301.40 × 129,217,951.71
  4. Step 4: Simplify right side
    284,653,234.11x = 55,180,368,518,867,072
  5. Step 5: Solve for x
    x = 55,180,368,518,867,072/284,653,234.11
  6. Step 6: Final answer
    x = 193,851,191.23

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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.