Home / 65,304,240.12-90,244,141.26-48,978,372.60

Finding the Fourth Proportional to 65,304,240.12, 90,244,141.26 and 48,978,372.60

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Solution

The fourth proportional to 65,304,240.12, 90,244,141.26 and 48,978,372.60 is: 67,683,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,304,240.12 : 90,244,141.26 = 48,978,372.60 : x
  2. Step 2: Convert to fraction form
    65,304,240.12/90,244,141.26 = 48,978,372.60/x
  3. Step 3: Cross multiply
    65,304,240.12x = 90,244,141.26 × 48,978,372.60
  4. Step 4: Simplify right side
    65,304,240.12x = 4,420,011,175,599,314
  5. Step 5: Solve for x
    x = 4,420,011,175,599,314/65,304,240.12
  6. Step 6: Final answer
    x = 67,683,371.98

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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.