Home / 102,613,638.27-154,166,010.39-65,797,659.21

Finding the Fourth Proportional to 102,613,638.27, 154,166,010.39 and 65,797,659.21

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Solution

The fourth proportional to 102,613,638.27, 154,166,010.39 and 65,797,659.21 is: 98,853,941.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,613,638.27 : 154,166,010.39 = 65,797,659.21 : x
  2. Step 2: Convert to fraction form
    102,613,638.27/154,166,010.39 = 65,797,659.21/x
  3. Step 3: Cross multiply
    102,613,638.27x = 154,166,010.39 × 65,797,659.21
  4. Step 4: Simplify right side
    102,613,638.27x = 10,143,762,613,406,538
  5. Step 5: Solve for x
    x = 10,143,762,613,406,538/102,613,638.27
  6. Step 6: Final answer
    x = 98,853,941.68

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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.