Home / 151,719,722.34-209,372,447.08-82,105,103.22

Finding the Fourth Proportional to 151,719,722.34, 209,372,447.08 and 82,105,103.22

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Solution

The fourth proportional to 151,719,722.34, 209,372,447.08 and 82,105,103.22 is: 113,304,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,719,722.34 : 209,372,447.08 = 82,105,103.22 : x
  2. Step 2: Convert to fraction form
    151,719,722.34/209,372,447.08 = 82,105,103.22/x
  3. Step 3: Cross multiply
    151,719,722.34x = 209,372,447.08 × 82,105,103.22
  4. Step 4: Simplify right side
    151,719,722.34x = 17,190,546,379,550,546
  5. Step 5: Solve for x
    x = 17,190,546,379,550,546/151,719,722.34
  6. Step 6: Final answer
    x = 113,304,625.89

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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.