Home / 304,486,098.13-420,191,231.21-165,256,861.81

Finding the Fourth Proportional to 304,486,098.13, 420,191,231.21 and 165,256,861.81

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Solution

The fourth proportional to 304,486,098.13, 420,191,231.21 and 165,256,861.81 is: 228,054,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,486,098.13 : 420,191,231.21 = 165,256,861.81 : x
  2. Step 2: Convert to fraction form
    304,486,098.13/420,191,231.21 = 165,256,861.81/x
  3. Step 3: Cross multiply
    304,486,098.13x = 420,191,231.21 × 165,256,861.81
  4. Step 4: Simplify right side
    304,486,098.13x = 69,439,484,229,844,728
  5. Step 5: Solve for x
    x = 69,439,484,229,844,728/304,486,098.13
  6. Step 6: Final answer
    x = 228,054,694.96

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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.