Home / 43,481,776.10-65,230,537.35-21,861,968.90

Finding the Fourth Proportional to 43,481,776.10, 65,230,537.35 and 21,861,968.90

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Solution

The fourth proportional to 43,481,776.10, 65,230,537.35 and 21,861,968.90 is: 32,796,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,481,776.10 : 65,230,537.35 = 21,861,968.90 : x
  2. Step 2: Convert to fraction form
    43,481,776.10/65,230,537.35 = 21,861,968.90/x
  3. Step 3: Cross multiply
    43,481,776.10x = 65,230,537.35 × 21,861,968.90
  4. Step 4: Simplify right side
    43,481,776.10x = 1,426,067,978,875,988.25
  5. Step 5: Solve for x
    x = 1,426,067,978,875,988.25/43,481,776.10
  6. Step 6: Final answer
    x = 32,796,911.87

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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.