Home / 128,317,402.24-192,399,238.21-40,841,134.11

Finding the Fourth Proportional to 128,317,402.24, 192,399,238.21 and 40,841,134.11

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Solution

The fourth proportional to 128,317,402.24, 192,399,238.21 and 40,841,134.11 is: 61,237,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,317,402.24 : 192,399,238.21 = 40,841,134.11 : x
  2. Step 2: Convert to fraction form
    128,317,402.24/192,399,238.21 = 40,841,134.11/x
  3. Step 3: Cross multiply
    128,317,402.24x = 192,399,238.21 × 40,841,134.11
  4. Step 4: Simplify right side
    128,317,402.24x = 7,857,803,090,396,447
  5. Step 5: Solve for x
    x = 7,857,803,090,396,447/128,317,402.24
  6. Step 6: Final answer
    x = 61,237,236.36

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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.