Home / 45,319,846.80-67,979,770.20-39,155,131.20

Finding the Fourth Proportional to 45,319,846.80, 67,979,770.20 and 39,155,131.20

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Solution

The fourth proportional to 45,319,846.80, 67,979,770.20 and 39,155,131.20 is: 58,732,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319,846.80 : 67,979,770.20 = 39,155,131.20 : x
  2. Step 2: Convert to fraction form
    45,319,846.80/67,979,770.20 = 39,155,131.20/x
  3. Step 3: Cross multiply
    45,319,846.80x = 67,979,770.20 × 39,155,131.20
  4. Step 4: Simplify right side
    45,319,846.80x = 2,661,756,821,126,850.50
  5. Step 5: Solve for x
    x = 2,661,756,821,126,850.50/45,319,846.80
  6. Step 6: Final answer
    x = 58,732,696.80

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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.