Home / 178,729,700.88-246,671,850.78-100,419,315.60

Finding the Fourth Proportional to 178,729,700.88, 246,671,850.78 and 100,419,315.60

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Solution

The fourth proportional to 178,729,700.88, 246,671,850.78 and 100,419,315.60 is: 138,592,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,729,700.88 : 246,671,850.78 = 100,419,315.60 : x
  2. Step 2: Convert to fraction form
    178,729,700.88/246,671,850.78 = 100,419,315.60/x
  3. Step 3: Cross multiply
    178,729,700.88x = 246,671,850.78 × 100,419,315.60
  4. Step 4: Simplify right side
    178,729,700.88x = 24,770,618,433,112,924
  5. Step 5: Solve for x
    x = 24,770,618,433,112,924/178,729,700.88
  6. Step 6: Final answer
    x = 138,592,625.13

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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.