Home / 217,296,253.40-325,944,380.10-148,421,499.80

Finding the Fourth Proportional to 217,296,253.40, 325,944,380.10 and 148,421,499.80

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Solution

The fourth proportional to 217,296,253.40, 325,944,380.10 and 148,421,499.80 is: 222,632,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,296,253.40 : 325,944,380.10 = 148,421,499.80 : x
  2. Step 2: Convert to fraction form
    217,296,253.40/325,944,380.10 = 148,421,499.80/x
  3. Step 3: Cross multiply
    217,296,253.40x = 325,944,380.10 × 148,421,499.80
  4. Step 4: Simplify right side
    217,296,253.40x = 48,377,153,745,823,280
  5. Step 5: Solve for x
    x = 48,377,153,745,823,280/217,296,253.40
  6. Step 6: Final answer
    x = 222,632,249.70

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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.