Home / 54,384,421.20-81,576,631.80-18,482,629.20

Finding the Fourth Proportional to 54,384,421.20, 81,576,631.80 and 18,482,629.20

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Solution

The fourth proportional to 54,384,421.20, 81,576,631.80 and 18,482,629.20 is: 27,723,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,384,421.20 : 81,576,631.80 = 18,482,629.20 : x
  2. Step 2: Convert to fraction form
    54,384,421.20/81,576,631.80 = 18,482,629.20/x
  3. Step 3: Cross multiply
    54,384,421.20x = 81,576,631.80 × 18,482,629.20
  4. Step 4: Simplify right side
    54,384,421.20x = 1,507,750,636,944,328.50
  5. Step 5: Solve for x
    x = 1,507,750,636,944,328.50/54,384,421.20
  6. Step 6: Final answer
    x = 27,723,943.80

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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.