Home / 240,072,536.54-331,295,781.78-135,648,365.88

Finding the Fourth Proportional to 240,072,536.54, 331,295,781.78 and 135,648,365.88

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Solution

The fourth proportional to 240,072,536.54, 331,295,781.78 and 135,648,365.88 is: 187,192,304.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,072,536.54 : 331,295,781.78 = 135,648,365.88 : x
  2. Step 2: Convert to fraction form
    240,072,536.54/331,295,781.78 = 135,648,365.88/x
  3. Step 3: Cross multiply
    240,072,536.54x = 331,295,781.78 × 135,648,365.88
  4. Step 4: Simplify right side
    240,072,536.54x = 44,939,731,421,394,072
  5. Step 5: Solve for x
    x = 44,939,731,421,394,072/240,072,536.54
  6. Step 6: Final answer
    x = 187,192,304.75

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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.