Home / 52,253,757.97-72,003,932.09-40,421,172.09

Finding the Fourth Proportional to 52,253,757.97, 72,003,932.09 and 40,421,172.09

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Solution

The fourth proportional to 52,253,757.97, 72,003,932.09 and 40,421,172.09 is: 55,699,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,253,757.97 : 72,003,932.09 = 40,421,172.09 : x
  2. Step 2: Convert to fraction form
    52,253,757.97/72,003,932.09 = 40,421,172.09/x
  3. Step 3: Cross multiply
    52,253,757.97x = 72,003,932.09 × 40,421,172.09
  4. Step 4: Simplify right side
    52,253,757.97x = 2,910,483,330,166,564
  5. Step 5: Solve for x
    x = 2,910,483,330,166,564/52,253,757.97
  6. Step 6: Final answer
    x = 55,699,024.21

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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.