Home / 74,449,297.80-102,738,557.70-41,408,836.20

Finding the Fourth Proportional to 74,449,297.80, 102,738,557.70 and 41,408,836.20

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Solution

The fourth proportional to 74,449,297.80, 102,738,557.70 and 41,408,836.20 is: 57,143,374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,449,297.80 : 102,738,557.70 = 41,408,836.20 : x
  2. Step 2: Convert to fraction form
    74,449,297.80/102,738,557.70 = 41,408,836.20/x
  3. Step 3: Cross multiply
    74,449,297.80x = 102,738,557.70 × 41,408,836.20
  4. Step 4: Simplify right side
    74,449,297.80x = 4,254,284,107,223,549
  5. Step 5: Solve for x
    x = 4,254,284,107,223,549/74,449,297.80
  6. Step 6: Final answer
    x = 57,143,374.52

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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.