Home / 56,786,015.20-85,179,022.80-40,661,701.60

Finding the Fourth Proportional to 56,786,015.20, 85,179,022.80 and 40,661,701.60

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Solution

The fourth proportional to 56,786,015.20, 85,179,022.80 and 40,661,701.60 is: 60,992,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,786,015.20 : 85,179,022.80 = 40,661,701.60 : x
  2. Step 2: Convert to fraction form
    56,786,015.20/85,179,022.80 = 40,661,701.60/x
  3. Step 3: Cross multiply
    56,786,015.20x = 85,179,022.80 × 40,661,701.60
  4. Step 4: Simplify right side
    56,786,015.20x = 3,463,524,007,673,196.50
  5. Step 5: Solve for x
    x = 3,463,524,007,673,196.50/56,786,015.20
  6. Step 6: Final answer
    x = 60,992,552.40

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1.5x scale

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.