Home / 47,942,550.39-71,965,001.75-20,662,306.23

Finding the Fourth Proportional to 47,942,550.39, 71,965,001.75 and 20,662,306.23

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Solution

The fourth proportional to 47,942,550.39, 71,965,001.75 and 20,662,306.23 is: 31,015,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942,550.39 : 71,965,001.75 = 20,662,306.23 : x
  2. Step 2: Convert to fraction form
    47,942,550.39/71,965,001.75 = 20,662,306.23/x
  3. Step 3: Cross multiply
    47,942,550.39x = 71,965,001.75 × 20,662,306.23
  4. Step 4: Simplify right side
    47,942,550.39x = 1,486,962,903,897,674.50
  5. Step 5: Solve for x
    x = 1,486,962,903,897,674.50/47,942,550.39
  6. Step 6: Final answer
    x = 31,015,515.27

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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.