Home / 215,005,857.27-320,939,161.40-184,496,493.76

Finding the Fourth Proportional to 215,005,857.27, 320,939,161.40 and 184,496,493.76

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Solution

The fourth proportional to 215,005,857.27, 320,939,161.40 and 184,496,493.76 is: 275,397,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,005,857.27 : 320,939,161.40 = 184,496,493.76 : x
  2. Step 2: Convert to fraction form
    215,005,857.27/320,939,161.40 = 184,496,493.76/x
  3. Step 3: Cross multiply
    215,005,857.27x = 320,939,161.40 × 184,496,493.76
  4. Step 4: Simplify right side
    215,005,857.27x = 59,212,149,988,233,616
  5. Step 5: Solve for x
    x = 59,212,149,988,233,616/215,005,857.27
  6. Step 6: Final answer
    x = 275,397,846.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.