Home / 135,419,187.03-186,935,690.69-91,425,779.34

Finding the Fourth Proportional to 135,419,187.03, 186,935,690.69 and 91,425,779.34

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Solution

The fourth proportional to 135,419,187.03, 186,935,690.69 and 91,425,779.34 is: 126,206,201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,419,187.03 : 186,935,690.69 = 91,425,779.34 : x
  2. Step 2: Convert to fraction form
    135,419,187.03/186,935,690.69 = 91,425,779.34/x
  3. Step 3: Cross multiply
    135,419,187.03x = 186,935,690.69 × 91,425,779.34
  4. Step 4: Simplify right side
    135,419,187.03x = 17,090,741,207,337,304
  5. Step 5: Solve for x
    x = 17,090,741,207,337,304/135,419,187.03
  6. Step 6: Final answer
    x = 126,206,201.52

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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.