Home / 159,731,514.54-238,966,857.78-120,981,592.44

Finding the Fourth Proportional to 159,731,514.54, 238,966,857.78 and 120,981,592.44

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Solution

The fourth proportional to 159,731,514.54, 238,966,857.78 and 120,981,592.44 is: 180,994,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,731,514.54 : 238,966,857.78 = 120,981,592.44 : x
  2. Step 2: Convert to fraction form
    159,731,514.54/238,966,857.78 = 120,981,592.44/x
  3. Step 3: Cross multiply
    159,731,514.54x = 238,966,857.78 × 120,981,592.44
  4. Step 4: Simplify right side
    159,731,514.54x = 28,910,590,994,607,404
  5. Step 5: Solve for x
    x = 28,910,590,994,607,404/159,731,514.54
  6. Step 6: Final answer
    x = 180,994,909.35

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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.