Home / 50,418,820.80-75,628,231.20-49,299,076.80

Finding the Fourth Proportional to 50,418,820.80, 75,628,231.20 and 49,299,076.80

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Solution

The fourth proportional to 50,418,820.80, 75,628,231.20 and 49,299,076.80 is: 73,948,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,418,820.80 : 75,628,231.20 = 49,299,076.80 : x
  2. Step 2: Convert to fraction form
    50,418,820.80/75,628,231.20 = 49,299,076.80/x
  3. Step 3: Cross multiply
    50,418,820.80x = 75,628,231.20 × 49,299,076.80
  4. Step 4: Simplify right side
    50,418,820.80x = 3,728,401,978,176,956
  5. Step 5: Solve for x
    x = 3,728,401,978,176,956/50,418,820.80
  6. Step 6: Final answer
    x = 73,948,615.20

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1.5x scale

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.