Home / 287,236,474.92-430,915,242.06-93,132,754.43

Finding the Fourth Proportional to 287,236,474.92, 430,915,242.06 and 93,132,754.43

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Solution

The fourth proportional to 287,236,474.92, 430,915,242.06 and 93,132,754.43 is: 139,718,757.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,236,474.92 : 430,915,242.06 = 93,132,754.43 : x
  2. Step 2: Convert to fraction form
    287,236,474.92/430,915,242.06 = 93,132,754.43/x
  3. Step 3: Cross multiply
    287,236,474.92x = 430,915,242.06 × 93,132,754.43
  4. Step 4: Simplify right side
    287,236,474.92x = 40,132,323,416,763,408
  5. Step 5: Solve for x
    x = 40,132,323,416,763,408/287,236,474.92
  6. Step 6: Final answer
    x = 139,718,757.61

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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.