Home / 85,410,614.80-128,103,480.60-24,820,022.80

Finding the Fourth Proportional to 85,410,614.80, 128,103,480.60 and 24,820,022.80

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Solution

The fourth proportional to 85,410,614.80, 128,103,480.60 and 24,820,022.80 is: 37,226,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,410,614.80 : 128,103,480.60 = 24,820,022.80 : x
  2. Step 2: Convert to fraction form
    85,410,614.80/128,103,480.60 = 24,820,022.80/x
  3. Step 3: Cross multiply
    85,410,614.80x = 128,103,480.60 × 24,820,022.80
  4. Step 4: Simplify right side
    85,410,614.80x = 3,179,531,309,251,357.50
  5. Step 5: Solve for x
    x = 3,179,531,309,251,357.50/85,410,614.80
  6. Step 6: Final answer
    x = 37,226,418.72

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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.