Home / 205,790,619.89-283,991,328.04-111,704,705.75

Finding the Fourth Proportional to 205,790,619.89, 283,991,328.04 and 111,704,705.75

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Solution

The fourth proportional to 205,790,619.89, 283,991,328.04 and 111,704,705.75 is: 154,152,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,790,619.89 : 283,991,328.04 = 111,704,705.75 : x
  2. Step 2: Convert to fraction form
    205,790,619.89/283,991,328.04 = 111,704,705.75/x
  3. Step 3: Cross multiply
    205,790,619.89x = 283,991,328.04 × 111,704,705.75
  4. Step 4: Simplify right side
    205,790,619.89x = 31,723,167,734,259,928
  5. Step 5: Solve for x
    x = 31,723,167,734,259,928/205,790,619.89
  6. Step 6: Final answer
    x = 154,152,641.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.