Home / 53,420,405-73,720,163.76-30,215,032.52

Finding the Fourth Proportional to 53,420,405, 73,720,163.76 and 30,215,032.52

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Solution

The fourth proportional to 53,420,405, 73,720,163.76 and 30,215,032.52 is: 41,696,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,420,405 : 73,720,163.76 = 30,215,032.52 : x
  2. Step 2: Convert to fraction form
    53,420,405/73,720,163.76 = 30,215,032.52/x
  3. Step 3: Cross multiply
    53,420,405x = 73,720,163.76 × 30,215,032.52
  4. Step 4: Simplify right side
    53,420,405x = 2,227,457,145,388,125.50
  5. Step 5: Solve for x
    x = 2,227,457,145,388,125.50/53,420,405
  6. Step 6: Final answer
    x = 41,696,747.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.