Home / 215,143,412.20-322,673,127.90-71,536,244.20

Finding the Fourth Proportional to 215,143,412.20, 322,673,127.90 and 71,536,244.20

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Solution

The fourth proportional to 215,143,412.20, 322,673,127.90 and 71,536,244.20 is: 107,290,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,143,412.20 : 322,673,127.90 = 71,536,244.20 : x
  2. Step 2: Convert to fraction form
    215,143,412.20/322,673,127.90 = 71,536,244.20/x
  3. Step 3: Cross multiply
    215,143,412.20x = 322,673,127.90 × 71,536,244.20
  4. Step 4: Simplify right side
    215,143,412.20x = 23,082,823,674,232,232
  5. Step 5: Solve for x
    x = 23,082,823,674,232,232/215,143,412.20
  6. Step 6: Final answer
    x = 107,290,404.29

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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.