Home / 53,590,440.24-80,390,455.38-20,800,240.38

Finding the Fourth Proportional to 53,590,440.24, 80,390,455.38 and 20,800,240.38

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Solution

The fourth proportional to 53,590,440.24, 80,390,455.38 and 20,800,240.38 is: 31,202,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590,440.24 : 80,390,455.38 = 20,800,240.38 : x
  2. Step 2: Convert to fraction form
    53,590,440.24/80,390,455.38 = 20,800,240.38/x
  3. Step 3: Cross multiply
    53,590,440.24x = 80,390,455.38 × 20,800,240.38
  4. Step 4: Simplify right side
    53,590,440.24x = 1,672,140,796,161,664
  5. Step 5: Solve for x
    x = 1,672,140,796,161,664/53,590,440.24
  6. Step 6: Final answer
    x = 31,202,221.68

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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.