Home / 84,243,606.40-126,113,467.20-50,147,401.60

Finding the Fourth Proportional to 84,243,606.40, 126,113,467.20 and 50,147,401.60

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Solution

The fourth proportional to 84,243,606.40, 126,113,467.20 and 50,147,401.60 is: 75,071,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,243,606.40 : 126,113,467.20 = 50,147,401.60 : x
  2. Step 2: Convert to fraction form
    84,243,606.40/126,113,467.20 = 50,147,401.60/x
  3. Step 3: Cross multiply
    84,243,606.40x = 126,113,467.20 × 50,147,401.60
  4. Step 4: Simplify right side
    84,243,606.40x = 6,324,262,686,846,828
  5. Step 5: Solve for x
    x = 6,324,262,686,846,828/84,243,606.40
  6. Step 6: Final answer
    x = 75,071,129.51

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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.