Home / 82,680,343.50-123,937,144.86-51,996,851.46

Finding the Fourth Proportional to 82,680,343.50, 123,937,144.86 and 51,996,851.46

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Solution

The fourth proportional to 82,680,343.50, 123,937,144.86 and 51,996,851.46 is: 77,942,846.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,680,343.50 : 123,937,144.86 = 51,996,851.46 : x
  2. Step 2: Convert to fraction form
    82,680,343.50/123,937,144.86 = 51,996,851.46/x
  3. Step 3: Cross multiply
    82,680,343.50x = 123,937,144.86 × 51,996,851.46
  4. Step 4: Simplify right side
    82,680,343.50x = 6,444,341,311,661,923
  5. Step 5: Solve for x
    x = 6,444,341,311,661,923/82,680,343.50
  6. Step 6: Final answer
    x = 77,942,846.38

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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.