Home / 49,914,175.80-74,812,281.30-21,160,255.80

Finding the Fourth Proportional to 49,914,175.80, 74,812,281.30 and 21,160,255.80

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Solution

The fourth proportional to 49,914,175.80, 74,812,281.30 and 21,160,255.80 is: 31,715,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,914,175.80 : 74,812,281.30 = 21,160,255.80 : x
  2. Step 2: Convert to fraction form
    49,914,175.80/74,812,281.30 = 21,160,255.80/x
  3. Step 3: Cross multiply
    49,914,175.80x = 74,812,281.30 × 21,160,255.80
  4. Step 4: Simplify right side
    49,914,175.80x = 1,583,047,009,289,556.50
  5. Step 5: Solve for x
    x = 1,583,047,009,289,556.50/49,914,175.80
  6. Step 6: Final answer
    x = 31,715,379.13

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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.