Home / 51,204,360.07-76,806,617.87-20,912,223.07

Finding the Fourth Proportional to 51,204,360.07, 76,806,617.87 and 20,912,223.07

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Solution

The fourth proportional to 51,204,360.07, 76,806,617.87 and 20,912,223.07 is: 31,368,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204,360.07 : 76,806,617.87 = 20,912,223.07 : x
  2. Step 2: Convert to fraction form
    51,204,360.07/76,806,617.87 = 20,912,223.07/x
  3. Step 3: Cross multiply
    51,204,360.07x = 76,806,617.87 × 20,912,223.07
  4. Step 4: Simplify right side
    51,204,360.07x = 1,606,197,126,149,688.50
  5. Step 5: Solve for x
    x = 1,606,197,126,149,688.50/51,204,360.07
  6. Step 6: Final answer
    x = 31,368,366.36

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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.