Home / 120,542,071.42-180,793,728.48-33,083,157.74

Finding the Fourth Proportional to 120,542,071.42, 180,793,728.48 and 33,083,157.74

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Solution

The fourth proportional to 120,542,071.42, 180,793,728.48 and 33,083,157.74 is: 49,619,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,542,071.42 : 180,793,728.48 = 33,083,157.74 : x
  2. Step 2: Convert to fraction form
    120,542,071.42/180,793,728.48 = 33,083,157.74/x
  3. Step 3: Cross multiply
    120,542,071.42x = 180,793,728.48 × 33,083,157.74
  4. Step 4: Simplify right side
    120,542,071.42x = 5,981,227,437,706,570
  5. Step 5: Solve for x
    x = 5,981,227,437,706,570/120,542,071.42
  6. Step 6: Final answer
    x = 49,619,418.08

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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.