Home / 300,321,796.16-450,653,107.68-162,145,563.20

Finding the Fourth Proportional to 300,321,796.16, 450,653,107.68 and 162,145,563.20

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Solution

The fourth proportional to 300,321,796.16, 450,653,107.68 and 162,145,563.20 is: 243,310,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,321,796.16 : 450,653,107.68 = 162,145,563.20 : x
  2. Step 2: Convert to fraction form
    300,321,796.16/450,653,107.68 = 162,145,563.20/x
  3. Step 3: Cross multiply
    300,321,796.16x = 450,653,107.68 × 162,145,563.20
  4. Step 4: Simplify right side
    300,321,796.16x = 73,071,401,952,603,840
  5. Step 5: Solve for x
    x = 73,071,401,952,603,840/300,321,796.16
  6. Step 6: Final answer
    x = 243,310,352.05

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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.