Home / 74,448,223.20-111,672,334.80-55,316,347.20

Finding the Fourth Proportional to 74,448,223.20, 111,672,334.80 and 55,316,347.20

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Solution

The fourth proportional to 74,448,223.20, 111,672,334.80 and 55,316,347.20 is: 82,974,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,448,223.20 : 111,672,334.80 = 55,316,347.20 : x
  2. Step 2: Convert to fraction form
    74,448,223.20/111,672,334.80 = 55,316,347.20/x
  3. Step 3: Cross multiply
    74,448,223.20x = 111,672,334.80 × 55,316,347.20
  4. Step 4: Simplify right side
    74,448,223.20x = 6,177,305,644,431,443
  5. Step 5: Solve for x
    x = 6,177,305,644,431,443/74,448,223.20
  6. Step 6: Final answer
    x = 82,974,520.80

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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.