Home / 54,548,618.87-81,820,935.41-16,209,136.53

Finding the Fourth Proportional to 54,548,618.87, 81,820,935.41 and 16,209,136.53

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Solution

The fourth proportional to 54,548,618.87, 81,820,935.41 and 16,209,136.53 is: 24,313,112.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,548,618.87 : 81,820,935.41 = 16,209,136.53 : x
  2. Step 2: Convert to fraction form
    54,548,618.87/81,820,935.41 = 16,209,136.53/x
  3. Step 3: Cross multiply
    54,548,618.87x = 81,820,935.41 × 16,209,136.53
  4. Step 4: Simplify right side
    54,548,618.87x = 1,326,246,712,991,955.75
  5. Step 5: Solve for x
    x = 1,326,246,712,991,955.75/54,548,618.87
  6. Step 6: Final answer
    x = 24,313,112.61

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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.