Home / 304,485,443.85-420,190,317.96-165,256,205.61

Finding the Fourth Proportional to 304,485,443.85, 420,190,317.96 and 165,256,205.61

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Solution

The fourth proportional to 304,485,443.85, 420,190,317.96 and 165,256,205.61 is: 228,053,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,485,443.85 : 420,190,317.96 = 165,256,205.61 : x
  2. Step 2: Convert to fraction form
    304,485,443.85/420,190,317.96 = 165,256,205.61/x
  3. Step 3: Cross multiply
    304,485,443.85x = 420,190,317.96 × 165,256,205.61
  4. Step 4: Simplify right side
    304,485,443.85x = 69,439,057,580,129,040
  5. Step 5: Solve for x
    x = 69,439,057,580,129,040/304,485,443.85
  6. Step 6: Final answer
    x = 228,053,783.79

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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.