Home / 120,777,849.39-181,161,713.73-38,894,915.25

Finding the Fourth Proportional to 120,777,849.39, 181,161,713.73 and 38,894,915.25

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Solution

The fourth proportional to 120,777,849.39, 181,161,713.73 and 38,894,915.25 is: 58,340,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,777,849.39 : 181,161,713.73 = 38,894,915.25 : x
  2. Step 2: Convert to fraction form
    120,777,849.39/181,161,713.73 = 38,894,915.25/x
  3. Step 3: Cross multiply
    120,777,849.39x = 181,161,713.73 × 38,894,915.25
  4. Step 4: Simplify right side
    120,777,849.39x = 7,046,269,502,073,111
  5. Step 5: Solve for x
    x = 7,046,269,502,073,111/120,777,849.39
  6. Step 6: Final answer
    x = 58,340,743.25

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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.