Home / 215,956,872.17-298,226,309.14-204,191,679.54

Finding the Fourth Proportional to 215,956,872.17, 298,226,309.14 and 204,191,679.54

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Solution

The fourth proportional to 215,956,872.17, 298,226,309.14 and 204,191,679.54 is: 281,979,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,956,872.17 : 298,226,309.14 = 204,191,679.54 : x
  2. Step 2: Convert to fraction form
    215,956,872.17/298,226,309.14 = 204,191,679.54/x
  3. Step 3: Cross multiply
    215,956,872.17x = 298,226,309.14 × 204,191,679.54
  4. Step 4: Simplify right side
    215,956,872.17x = 60,895,330,945,801,368
  5. Step 5: Solve for x
    x = 60,895,330,945,801,368/215,956,872.17
  6. Step 6: Final answer
    x = 281,979,130.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.