Home / 107,765,654.92-161,538,052.70-81,802,995.23

Finding the Fourth Proportional to 107,765,654.92, 161,538,052.70 and 81,802,995.23

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Solution

The fourth proportional to 107,765,654.92, 161,538,052.70 and 81,802,995.23 is: 122,620,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,765,654.92 : 161,538,052.70 = 81,802,995.23 : x
  2. Step 2: Convert to fraction form
    107,765,654.92/161,538,052.70 = 81,802,995.23/x
  3. Step 3: Cross multiply
    107,765,654.92x = 161,538,052.70 × 81,802,995.23
  4. Step 4: Simplify right side
    107,765,654.92x = 13,214,296,554,175,146
  5. Step 5: Solve for x
    x = 13,214,296,554,175,146/107,765,654.92
  6. Step 6: Final answer
    x = 122,620,667.64

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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.