Home / 43,991,569.80-66,010,974.30-18,435,162.60

Finding the Fourth Proportional to 43,991,569.80, 66,010,974.30 and 18,435,162.60

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Solution

The fourth proportional to 43,991,569.80, 66,010,974.30 and 18,435,162.60 is: 27,662,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,991,569.80 : 66,010,974.30 = 18,435,162.60 : x
  2. Step 2: Convert to fraction form
    43,991,569.80/66,010,974.30 = 18,435,162.60/x
  3. Step 3: Cross multiply
    43,991,569.80x = 66,010,974.30 × 18,435,162.60
  4. Step 4: Simplify right side
    43,991,569.80x = 1,216,923,044,604,921.25
  5. Step 5: Solve for x
    x = 1,216,923,044,604,921.25/43,991,569.80
  6. Step 6: Final answer
    x = 27,662,641.96

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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.