Home / 52,192,062.40-78,288,093.60-47,489,137.60

Finding the Fourth Proportional to 52,192,062.40, 78,288,093.60 and 47,489,137.60

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Solution

The fourth proportional to 52,192,062.40, 78,288,093.60 and 47,489,137.60 is: 71,233,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,192,062.40 : 78,288,093.60 = 47,489,137.60 : x
  2. Step 2: Convert to fraction form
    52,192,062.40/78,288,093.60 = 47,489,137.60/x
  3. Step 3: Cross multiply
    52,192,062.40x = 78,288,093.60 × 47,489,137.60
  4. Step 4: Simplify right side
    52,192,062.40x = 3,717,834,049,412,079
  5. Step 5: Solve for x
    x = 3,717,834,049,412,079/52,192,062.40
  6. Step 6: Final answer
    x = 71,233,706.40

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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.