Home / 74,083,076.20-111,124,614.30-69,926,026.60

Finding the Fourth Proportional to 74,083,076.20, 111,124,614.30 and 69,926,026.60

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Solution

The fourth proportional to 74,083,076.20, 111,124,614.30 and 69,926,026.60 is: 104,889,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,083,076.20 : 111,124,614.30 = 69,926,026.60 : x
  2. Step 2: Convert to fraction form
    74,083,076.20/111,124,614.30 = 69,926,026.60/x
  3. Step 3: Cross multiply
    74,083,076.20x = 111,124,614.30 × 69,926,026.60
  4. Step 4: Simplify right side
    74,083,076.20x = 7,770,502,735,456,540
  5. Step 5: Solve for x
    x = 7,770,502,735,456,540/74,083,076.20
  6. Step 6: Final answer
    x = 104,889,039.90

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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.