Home / 258,723,947.82-388,073,021.94-94,948,819.32

Finding the Fourth Proportional to 258,723,947.82, 388,073,021.94 and 94,948,819.32

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Solution

The fourth proportional to 258,723,947.82, 388,073,021.94 and 94,948,819.32 is: 142,418,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,723,947.82 : 388,073,021.94 = 94,948,819.32 : x
  2. Step 2: Convert to fraction form
    258,723,947.82/388,073,021.94 = 94,948,819.32/x
  3. Step 3: Cross multiply
    258,723,947.82x = 388,073,021.94 × 94,948,819.32
  4. Step 4: Simplify right side
    258,723,947.82x = 36,847,075,243,147,456
  5. Step 5: Solve for x
    x = 36,847,075,243,147,456/258,723,947.82
  6. Step 6: Final answer
    x = 142,418,494.90

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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.