Home / 304,910,246.43-420,778,797.57-165,681,007.74

Finding the Fourth Proportional to 304,910,246.43, 420,778,797.57 and 165,681,007.74

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Solution

The fourth proportional to 304,910,246.43, 420,778,797.57 and 165,681,007.74 is: 228,641,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,910,246.43 : 420,778,797.57 = 165,681,007.74 : x
  2. Step 2: Convert to fraction form
    304,910,246.43/420,778,797.57 = 165,681,007.74/x
  3. Step 3: Cross multiply
    304,910,246.43x = 420,778,797.57 × 165,681,007.74
  4. Step 4: Simplify right side
    304,910,246.43x = 69,715,055,217,023,064
  5. Step 5: Solve for x
    x = 69,715,055,217,023,064/304,910,246.43
  6. Step 6: Final answer
    x = 228,641,234.70

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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.