Home / 70,722,333.54-106,083,529.73-31,815,340.75

Finding the Fourth Proportional to 70,722,333.54, 106,083,529.73 and 31,815,340.75

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Solution

The fourth proportional to 70,722,333.54, 106,083,529.73 and 31,815,340.75 is: 47,723,024.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,722,333.54 : 106,083,529.73 = 31,815,340.75 : x
  2. Step 2: Convert to fraction form
    70,722,333.54/106,083,529.73 = 31,815,340.75/x
  3. Step 3: Cross multiply
    70,722,333.54x = 106,083,529.73 × 31,815,340.75
  4. Step 4: Simplify right side
    70,722,333.54x = 3,375,083,646,415,541
  5. Step 5: Solve for x
    x = 3,375,083,646,415,541/70,722,333.54
  6. Step 6: Final answer
    x = 47,723,024.36

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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.