Home / 48,220,885.33-66,536,933.49-28,391,361.12

Finding the Fourth Proportional to 48,220,885.33, 66,536,933.49 and 28,391,361.12

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Solution

The fourth proportional to 48,220,885.33, 66,536,933.49 and 28,391,361.12 is: 39,175,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,220,885.33 : 66,536,933.49 = 28,391,361.12 : x
  2. Step 2: Convert to fraction form
    48,220,885.33/66,536,933.49 = 28,391,361.12/x
  3. Step 3: Cross multiply
    48,220,885.33x = 66,536,933.49 × 28,391,361.12
  4. Step 4: Simplify right side
    48,220,885.33x = 1,889,074,106,057,370.25
  5. Step 5: Solve for x
    x = 1,889,074,106,057,370.25/48,220,885.33
  6. Step 6: Final answer
    x = 39,175,433.90

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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.