Home / 51,560,636.40-71,152,049.35-28,355,691.60

Finding the Fourth Proportional to 51,560,636.40, 71,152,049.35 and 28,355,691.60

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Solution

The fourth proportional to 51,560,636.40, 71,152,049.35 and 28,355,691.60 is: 39,129,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,560,636.40 : 71,152,049.35 = 28,355,691.60 : x
  2. Step 2: Convert to fraction form
    51,560,636.40/71,152,049.35 = 28,355,691.60/x
  3. Step 3: Cross multiply
    51,560,636.40x = 71,152,049.35 × 28,355,691.60
  4. Step 4: Simplify right side
    51,560,636.40x = 2,017,565,568,076,580.50
  5. Step 5: Solve for x
    x = 2,017,565,568,076,580.50/51,560,636.40
  6. Step 6: Final answer
    x = 39,129,958.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.