Home / 47,482,320.80-71,223,481.20-31,043,079.20

Finding the Fourth Proportional to 47,482,320.80, 71,223,481.20 and 31,043,079.20

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Solution

The fourth proportional to 47,482,320.80, 71,223,481.20 and 31,043,079.20 is: 46,564,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,482,320.80 : 71,223,481.20 = 31,043,079.20 : x
  2. Step 2: Convert to fraction form
    47,482,320.80/71,223,481.20 = 31,043,079.20/x
  3. Step 3: Cross multiply
    47,482,320.80x = 71,223,481.20 × 31,043,079.20
  4. Step 4: Simplify right side
    47,482,320.80x = 2,210,996,167,791,311
  5. Step 5: Solve for x
    x = 2,210,996,167,791,311/47,482,320.80
  6. Step 6: Final answer
    x = 46,564,618.80

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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.