Home / 57,214,684.62-78,957,251.58-31,109,378.70

Finding the Fourth Proportional to 57,214,684.62, 78,957,251.58 and 31,109,378.70

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Solution

The fourth proportional to 57,214,684.62, 78,957,251.58 and 31,109,378.70 is: 42,931,479.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,214,684.62 : 78,957,251.58 = 31,109,378.70 : x
  2. Step 2: Convert to fraction form
    57,214,684.62/78,957,251.58 = 31,109,378.70/x
  3. Step 3: Cross multiply
    57,214,684.62x = 78,957,251.58 × 31,109,378.70
  4. Step 4: Simplify right side
    57,214,684.62x = 2,456,311,040,513,393
  5. Step 5: Solve for x
    x = 2,456,311,040,513,393/57,214,684.62
  6. Step 6: Final answer
    x = 42,931,479.16

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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.