Home / 135,019,986.38-186,357,556.25-82,085,446.13

Finding the Fourth Proportional to 135,019,986.38, 186,357,556.25 and 82,085,446.13

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Solution

The fourth proportional to 135,019,986.38, 186,357,556.25 and 82,085,446.13 is: 113,296,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,019,986.38 : 186,357,556.25 = 82,085,446.13 : x
  2. Step 2: Convert to fraction form
    135,019,986.38/186,357,556.25 = 82,085,446.13/x
  3. Step 3: Cross multiply
    135,019,986.38x = 186,357,556.25 × 82,085,446.13
  4. Step 4: Simplify right side
    135,019,986.38x = 15,297,243,144,477,818
  5. Step 5: Solve for x
    x = 15,297,243,144,477,818/135,019,986.38
  6. Step 6: Final answer
    x = 113,296,139.00

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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.