Home / 304,485,432.30-420,190,302.06-165,256,194.06

Finding the Fourth Proportional to 304,485,432.30, 420,190,302.06 and 165,256,194.06

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Solution

The fourth proportional to 304,485,432.30, 420,190,302.06 and 165,256,194.06 is: 228,053,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,485,432.30 : 420,190,302.06 = 165,256,194.06 : x
  2. Step 2: Convert to fraction form
    304,485,432.30/420,190,302.06 = 165,256,194.06/x
  3. Step 3: Cross multiply
    304,485,432.30x = 420,190,302.06 × 165,256,194.06
  4. Step 4: Simplify right side
    304,485,432.30x = 69,439,050,099,357,376
  5. Step 5: Solve for x
    x = 69,439,050,099,357,376/304,485,432.30
  6. Step 6: Final answer
    x = 228,053,767.88

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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.