Home / 45,112,232.30-67,682,921.56-20,867,063.52

Finding the Fourth Proportional to 45,112,232.30, 67,682,921.56 and 20,867,063.52

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Solution

The fourth proportional to 45,112,232.30, 67,682,921.56 and 20,867,063.52 is: 31,307,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,112,232.30 : 67,682,921.56 = 20,867,063.52 : x
  2. Step 2: Convert to fraction form
    45,112,232.30/67,682,921.56 = 20,867,063.52/x
  3. Step 3: Cross multiply
    45,112,232.30x = 67,682,921.56 × 20,867,063.52
  4. Step 4: Simplify right side
    45,112,232.30x = 1,412,343,823,307,362.25
  5. Step 5: Solve for x
    x = 1,412,343,823,307,362.25/45,112,232.30
  6. Step 6: Final answer
    x = 31,307,336.20

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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.