Home / 135,419,421.06-186,936,013.62-91,426,013.34

Finding the Fourth Proportional to 135,419,421.06, 186,936,013.62 and 91,426,013.34

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Solution

The fourth proportional to 135,419,421.06, 186,936,013.62 and 91,426,013.34 is: 126,206,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,419,421.06 : 186,936,013.62 = 91,426,013.34 : x
  2. Step 2: Convert to fraction form
    135,419,421.06/186,936,013.62 = 91,426,013.34/x
  3. Step 3: Cross multiply
    135,419,421.06x = 186,936,013.62 × 91,426,013.34
  4. Step 4: Simplify right side
    135,419,421.06x = 17,090,814,474,948,542
  5. Step 5: Solve for x
    x = 17,090,814,474,948,542/135,419,421.06
  6. Step 6: Final answer
    x = 126,206,524.45

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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.