Home / 159,731,481.84-238,966,809.03-120,981,559.74

Finding the Fourth Proportional to 159,731,481.84, 238,966,809.03 and 120,981,559.74

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Solution

The fourth proportional to 159,731,481.84, 238,966,809.03 and 120,981,559.74 is: 180,994,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,731,481.84 : 238,966,809.03 = 120,981,559.74 : x
  2. Step 2: Convert to fraction form
    159,731,481.84/238,966,809.03 = 120,981,559.74/x
  3. Step 3: Cross multiply
    159,731,481.84x = 238,966,809.03 × 120,981,559.74
  4. Step 4: Simplify right side
    159,731,481.84x = 28,910,577,282,540,116
  5. Step 5: Solve for x
    x = 28,910,577,282,540,116/159,731,481.84
  6. Step 6: Final answer
    x = 180,994,860.56

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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.