Home / 304,499,747.72-420,209,962.84-165,270,538.20

Finding the Fourth Proportional to 304,499,747.72, 420,209,962.84 and 165,270,538.20

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Solution

The fourth proportional to 304,499,747.72, 420,209,962.84 and 165,270,538.20 is: 228,073,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,499,747.72 : 420,209,962.84 = 165,270,538.20 : x
  2. Step 2: Convert to fraction form
    304,499,747.72/420,209,962.84 = 165,270,538.20/x
  3. Step 3: Cross multiply
    304,499,747.72x = 420,209,962.84 × 165,270,538.20
  4. Step 4: Simplify right side
    304,499,747.72x = 69,448,326,715,568,792
  5. Step 5: Solve for x
    x = 69,448,326,715,568,792/304,499,747.72
  6. Step 6: Final answer
    x = 228,073,511.51

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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.