Home / 134,939,412.38-186,228,871.30-82,003,902.97

Finding the Fourth Proportional to 134,939,412.38, 186,228,871.30 and 82,003,902.97

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Solution

The fourth proportional to 134,939,412.38, 186,228,871.30 and 82,003,902.97 is: 113,172,971.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,939,412.38 : 186,228,871.30 = 82,003,902.97 : x
  2. Step 2: Convert to fraction form
    134,939,412.38/186,228,871.30 = 82,003,902.97/x
  3. Step 3: Cross multiply
    134,939,412.38x = 186,228,871.30 × 82,003,902.97
  4. Step 4: Simplify right side
    134,939,412.38x = 15,271,494,292,065,032
  5. Step 5: Solve for x
    x = 15,271,494,292,065,032/134,939,412.38
  6. Step 6: Final answer
    x = 113,172,971.66

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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.