Home / 56,786,320.20-85,179,480.30-40,662,006.60

Finding the Fourth Proportional to 56,786,320.20, 85,179,480.30 and 40,662,006.60

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Solution

The fourth proportional to 56,786,320.20, 85,179,480.30 and 40,662,006.60 is: 60,993,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,786,320.20 : 85,179,480.30 = 40,662,006.60 : x
  2. Step 2: Convert to fraction form
    56,786,320.20/85,179,480.30 = 40,662,006.60/x
  3. Step 3: Cross multiply
    56,786,320.20x = 85,179,480.30 × 40,662,006.60
  4. Step 4: Simplify right side
    56,786,320.20x = 3,463,568,590,143,170
  5. Step 5: Solve for x
    x = 3,463,568,590,143,170/56,786,320.20
  6. Step 6: Final answer
    x = 60,993,009.90

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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.