Home / 279,929,357.52-420,081,326.54-116,167,108.51

Finding the Fourth Proportional to 279,929,357.52, 420,081,326.54 and 116,167,108.51

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Solution

The fourth proportional to 279,929,357.52, 420,081,326.54 and 116,167,108.51 is: 174,328,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,929,357.52 : 420,081,326.54 = 116,167,108.51 : x
  2. Step 2: Convert to fraction form
    279,929,357.52/420,081,326.54 = 116,167,108.51/x
  3. Step 3: Cross multiply
    279,929,357.52x = 420,081,326.54 × 116,167,108.51
  4. Step 4: Simplify right side
    279,929,357.52x = 48,799,633,043,196,928
  5. Step 5: Solve for x
    x = 48,799,633,043,196,928/279,929,357.52
  6. Step 6: Final answer
    x = 174,328,385.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.