Home / 55,512,007.80-83,268,011.70-54,567,223.80

Finding the Fourth Proportional to 55,512,007.80, 83,268,011.70 and 54,567,223.80

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Solution

The fourth proportional to 55,512,007.80, 83,268,011.70 and 54,567,223.80 is: 81,850,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,512,007.80 : 83,268,011.70 = 54,567,223.80 : x
  2. Step 2: Convert to fraction form
    55,512,007.80/83,268,011.70 = 54,567,223.80/x
  3. Step 3: Cross multiply
    55,512,007.80x = 83,268,011.70 × 54,567,223.80
  4. Step 4: Simplify right side
    55,512,007.80x = 4,543,704,229,814,918
  5. Step 5: Solve for x
    x = 4,543,704,229,814,918/55,512,007.80
  6. Step 6: Final answer
    x = 81,850,835.70

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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.