Home / 43,997,661.20-66,012,238.20-18,446,502.80

Finding the Fourth Proportional to 43,997,661.20, 66,012,238.20 and 18,446,502.80

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Solution

The fourth proportional to 43,997,661.20, 66,012,238.20 and 18,446,502.80 is: 27,676,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,997,661.20 : 66,012,238.20 = 18,446,502.80 : x
  2. Step 2: Convert to fraction form
    43,997,661.20/66,012,238.20 = 18,446,502.80/x
  3. Step 3: Cross multiply
    43,997,661.20x = 66,012,238.20 × 18,446,502.80
  4. Step 4: Simplify right side
    43,997,661.20x = 1,217,694,936,790,567
  5. Step 5: Solve for x
    x = 1,217,694,936,790,567/43,997,661.20
  6. Step 6: Final answer
    x = 27,676,356.05

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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.