Home / 215,143,405.20-322,673,117.40-71,536,237.20

Finding the Fourth Proportional to 215,143,405.20, 322,673,117.40 and 71,536,237.20

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Solution

The fourth proportional to 215,143,405.20, 322,673,117.40 and 71,536,237.20 is: 107,290,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,143,405.20 : 322,673,117.40 = 71,536,237.20 : x
  2. Step 2: Convert to fraction form
    215,143,405.20/322,673,117.40 = 71,536,237.20/x
  3. Step 3: Cross multiply
    215,143,405.20x = 322,673,117.40 × 71,536,237.20
  4. Step 4: Simplify right side
    215,143,405.20x = 23,082,820,664,389,848
  5. Step 5: Solve for x
    x = 23,082,820,664,389,848/215,143,405.20
  6. Step 6: Final answer
    x = 107,290,393.79

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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.