Home / 47,922,512.40-71,883,768.60-39,419,456.40

Finding the Fourth Proportional to 47,922,512.40, 71,883,768.60 and 39,419,456.40

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Solution

The fourth proportional to 47,922,512.40, 71,883,768.60 and 39,419,456.40 is: 59,129,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,922,512.40 : 71,883,768.60 = 39,419,456.40 : x
  2. Step 2: Convert to fraction form
    47,922,512.40/71,883,768.60 = 39,419,456.40/x
  3. Step 3: Cross multiply
    47,922,512.40x = 71,883,768.60 × 39,419,456.40
  4. Step 4: Simplify right side
    47,922,512.40x = 2,833,619,082,195,388.50
  5. Step 5: Solve for x
    x = 2,833,619,082,195,388.50/47,922,512.40
  6. Step 6: Final answer
    x = 59,129,184.60

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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.