Home / 218,546,915.40-327,395,220.30-132,028,320.60

Finding the Fourth Proportional to 218,546,915.40, 327,395,220.30 and 132,028,320.60

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Solution

The fourth proportional to 218,546,915.40, 327,395,220.30 and 132,028,320.60 is: 197,785,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,546,915.40 : 327,395,220.30 = 132,028,320.60 : x
  2. Step 2: Convert to fraction form
    218,546,915.40/327,395,220.30 = 132,028,320.60/x
  3. Step 3: Cross multiply
    218,546,915.40x = 327,395,220.30 × 132,028,320.60
  4. Step 4: Simplify right side
    218,546,915.40x = 43,225,441,108,676,024
  5. Step 5: Solve for x
    x = 43,225,441,108,676,024/218,546,915.40
  6. Step 6: Final answer
    x = 197,785,638.06

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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.