Home / 290,747,123.24-401,231,031.36-158,588,112.92

Finding the Fourth Proportional to 290,747,123.24, 401,231,031.36 and 158,588,112.92

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Solution

The fourth proportional to 290,747,123.24, 401,231,031.36 and 158,588,112.92 is: 218,851,596.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,747,123.24 : 401,231,031.36 = 158,588,112.92 : x
  2. Step 2: Convert to fraction form
    290,747,123.24/401,231,031.36 = 158,588,112.92/x
  3. Step 3: Cross multiply
    290,747,123.24x = 401,231,031.36 × 158,588,112.92
  4. Step 4: Simplify right side
    290,747,123.24x = 63,630,472,108,327,736
  5. Step 5: Solve for x
    x = 63,630,472,108,327,736/290,747,123.24
  6. Step 6: Final answer
    x = 218,851,596.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.