Home / 76,187,915.90-105,138,745.78-41,380,855.46

Finding the Fourth Proportional to 76,187,915.90, 105,138,745.78 and 41,380,855.46

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Solution

The fourth proportional to 76,187,915.90, 105,138,745.78 and 41,380,855.46 is: 57,105,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,187,915.90 : 105,138,745.78 = 41,380,855.46 : x
  2. Step 2: Convert to fraction form
    76,187,915.90/105,138,745.78 = 41,380,855.46/x
  3. Step 3: Cross multiply
    76,187,915.90x = 105,138,745.78 × 41,380,855.46
  4. Step 4: Simplify right side
    76,187,915.90x = 4,350,731,242,367,865
  5. Step 5: Solve for x
    x = 4,350,731,242,367,865/76,187,915.90
  6. Step 6: Final answer
    x = 57,105,266.51

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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.