Home / 287,236,480.92-430,915,251.06-93,132,760.44

Finding the Fourth Proportional to 287,236,480.92, 430,915,251.06 and 93,132,760.44

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Solution

The fourth proportional to 287,236,480.92, 430,915,251.06 and 93,132,760.44 is: 139,718,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,236,480.92 : 430,915,251.06 = 93,132,760.44 : x
  2. Step 2: Convert to fraction form
    287,236,480.92/430,915,251.06 = 93,132,760.44/x
  3. Step 3: Cross multiply
    287,236,480.92x = 430,915,251.06 × 93,132,760.44
  4. Step 4: Simplify right side
    287,236,480.92x = 40,132,326,846,913,432
  5. Step 5: Solve for x
    x = 40,132,326,846,913,432/287,236,480.92
  6. Step 6: Final answer
    x = 139,718,766.64

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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.