Home / 200,423,516.36-300,561,535.92-69,232,408.52

Finding the Fourth Proportional to 200,423,516.36, 300,561,535.92 and 69,232,408.52

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Solution

The fourth proportional to 200,423,516.36, 300,561,535.92 and 69,232,408.52 is: 103,823,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,423,516.36 : 300,561,535.92 = 69,232,408.52 : x
  2. Step 2: Convert to fraction form
    200,423,516.36/300,561,535.92 = 69,232,408.52/x
  3. Step 3: Cross multiply
    200,423,516.36x = 300,561,535.92 × 69,232,408.52
  4. Step 4: Simplify right side
    200,423,516.36x = 20,808,599,040,212,092
  5. Step 5: Solve for x
    x = 20,808,599,040,212,092/200,423,516.36
  6. Step 6: Final answer
    x = 103,823,141.21

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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.