Home / 65,279,077.20-97,942,721.40-26,943,915.60

Finding the Fourth Proportional to 65,279,077.20, 97,942,721.40 and 26,943,915.60

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Solution

The fourth proportional to 65,279,077.20, 97,942,721.40 and 26,943,915.60 is: 40,425,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,279,077.20 : 97,942,721.40 = 26,943,915.60 : x
  2. Step 2: Convert to fraction form
    65,279,077.20/97,942,721.40 = 26,943,915.60/x
  3. Step 3: Cross multiply
    65,279,077.20x = 97,942,721.40 × 26,943,915.60
  4. Step 4: Simplify right side
    65,279,077.20x = 2,638,960,419,035,914
  5. Step 5: Solve for x
    x = 2,638,960,419,035,914/65,279,077.20
  6. Step 6: Final answer
    x = 40,425,822.98

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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.