Home / 82,514,709.20-123,681,667.80-41,508,750.80

Finding the Fourth Proportional to 82,514,709.20, 123,681,667.80 and 41,508,750.80

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Solution

The fourth proportional to 82,514,709.20, 123,681,667.80 and 41,508,750.80 is: 62,217,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,514,709.20 : 123,681,667.80 = 41,508,750.80 : x
  2. Step 2: Convert to fraction form
    82,514,709.20/123,681,667.80 = 41,508,750.80/x
  3. Step 3: Cross multiply
    82,514,709.20x = 123,681,667.80 × 41,508,750.80
  4. Step 4: Simplify right side
    82,514,709.20x = 5,133,871,527,238,584
  5. Step 5: Solve for x
    x = 5,133,871,527,238,584/82,514,709.20
  6. Step 6: Final answer
    x = 62,217,652.79

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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.