Home / 215,869,161.48-323,284,895.10-123,472,785.48

Finding the Fourth Proportional to 215,869,161.48, 323,284,895.10 and 123,472,785.48

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Solution

The fourth proportional to 215,869,161.48, 323,284,895.10 and 123,472,785.48 is: 184,912,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,869,161.48 : 323,284,895.10 = 123,472,785.48 : x
  2. Step 2: Convert to fraction form
    215,869,161.48/323,284,895.10 = 123,472,785.48/x
  3. Step 3: Cross multiply
    215,869,161.48x = 323,284,895.10 × 123,472,785.48
  4. Step 4: Simplify right side
    215,869,161.48x = 39,916,886,501,606,608
  5. Step 5: Solve for x
    x = 39,916,886,501,606,608/215,869,161.48
  6. Step 6: Final answer
    x = 184,912,408.18

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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.