Home / 49,910,131.20-74,865,196.80-47,926,084.80

Finding the Fourth Proportional to 49,910,131.20, 74,865,196.80 and 47,926,084.80

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Solution

The fourth proportional to 49,910,131.20, 74,865,196.80 and 47,926,084.80 is: 71,889,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,910,131.20 : 74,865,196.80 = 47,926,084.80 : x
  2. Step 2: Convert to fraction form
    49,910,131.20/74,865,196.80 = 47,926,084.80/x
  3. Step 3: Cross multiply
    49,910,131.20x = 74,865,196.80 × 47,926,084.80
  4. Step 4: Simplify right side
    49,910,131.20x = 3,587,995,770,405,488.50
  5. Step 5: Solve for x
    x = 3,587,995,770,405,488.50/49,910,131.20
  6. Step 6: Final answer
    x = 71,889,127.20

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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.