Home / 304,485,434.35-420,190,304.85-165,256,196.11

Finding the Fourth Proportional to 304,485,434.35, 420,190,304.85 and 165,256,196.11

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Solution

The fourth proportional to 304,485,434.35, 420,190,304.85 and 165,256,196.11 is: 228,053,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,485,434.35 : 420,190,304.85 = 165,256,196.11 : x
  2. Step 2: Convert to fraction form
    304,485,434.35/420,190,304.85 = 165,256,196.11/x
  3. Step 3: Cross multiply
    304,485,434.35x = 420,190,304.85 × 165,256,196.11
  4. Step 4: Simplify right side
    304,485,434.35x = 69,439,051,421,812,296
  5. Step 5: Solve for x
    x = 69,439,051,421,812,296/304,485,434.35
  6. Step 6: Final answer
    x = 228,053,770.68

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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.