Home / 74,449,299.80-102,738,560.46-41,408,838.20

Finding the Fourth Proportional to 74,449,299.80, 102,738,560.46 and 41,408,838.20

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Solution

The fourth proportional to 74,449,299.80, 102,738,560.46 and 41,408,838.20 is: 57,143,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,449,299.80 : 102,738,560.46 = 41,408,838.20 : x
  2. Step 2: Convert to fraction form
    74,449,299.80/102,738,560.46 = 41,408,838.20/x
  3. Step 3: Cross multiply
    74,449,299.80x = 102,738,560.46 × 41,408,838.20
  4. Step 4: Simplify right side
    74,449,299.80x = 4,254,284,426,989,057.50
  5. Step 5: Solve for x
    x = 4,254,284,426,989,057.50/74,449,299.80
  6. Step 6: Final answer
    x = 57,143,377.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.