Home / 56,785,260.20-85,177,890.30-40,660,946.60

Finding the Fourth Proportional to 56,785,260.20, 85,177,890.30 and 40,660,946.60

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Solution

The fourth proportional to 56,785,260.20, 85,177,890.30 and 40,660,946.60 is: 60,991,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,785,260.20 : 85,177,890.30 = 40,660,946.60 : x
  2. Step 2: Convert to fraction form
    56,785,260.20/85,177,890.30 = 40,660,946.60/x
  3. Step 3: Cross multiply
    56,785,260.20x = 85,177,890.30 × 40,660,946.60
  4. Step 4: Simplify right side
    56,785,260.20x = 3,463,413,648,988,958
  5. Step 5: Solve for x
    x = 3,463,413,648,988,958/56,785,260.20
  6. Step 6: Final answer
    x = 60,991,419.90

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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.