Home / 49,172,350.40-73,814,512.80-28,988,964.80

Finding the Fourth Proportional to 49,172,350.40, 73,814,512.80 and 28,988,964.80

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Solution

The fourth proportional to 49,172,350.40, 73,814,512.80 and 28,988,964.80 is: 43,516,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,172,350.40 : 73,814,512.80 = 28,988,964.80 : x
  2. Step 2: Convert to fraction form
    49,172,350.40/73,814,512.80 = 28,988,964.80/x
  3. Step 3: Cross multiply
    49,172,350.40x = 73,814,512.80 × 28,988,964.80
  4. Step 4: Simplify right side
    49,172,350.40x = 2,139,806,313,288,349.50
  5. Step 5: Solve for x
    x = 2,139,806,313,288,349.50/49,172,350.40
  6. Step 6: Final answer
    x = 43,516,453.78

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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.