Home / 44,043,940.80-66,065,911.20-12,131,236.80

Finding the Fourth Proportional to 44,043,940.80, 66,065,911.20 and 12,131,236.80

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Solution

The fourth proportional to 44,043,940.80, 66,065,911.20 and 12,131,236.80 is: 18,196,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,043,940.80 : 66,065,911.20 = 12,131,236.80 : x
  2. Step 2: Convert to fraction form
    44,043,940.80/66,065,911.20 = 12,131,236.80/x
  3. Step 3: Cross multiply
    44,043,940.80x = 66,065,911.20 × 12,131,236.80
  4. Step 4: Simplify right side
    44,043,940.80x = 801,461,213,174,972.25
  5. Step 5: Solve for x
    x = 801,461,213,174,972.25/44,043,940.80
  6. Step 6: Final answer
    x = 18,196,855.20

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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.