Home / 279,929,424.48-420,081,426.84-116,167,175.52

Finding the Fourth Proportional to 279,929,424.48, 420,081,426.84 and 116,167,175.52

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Solution

The fourth proportional to 279,929,424.48, 420,081,426.84 and 116,167,175.52 is: 174,328,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,929,424.48 : 420,081,426.84 = 116,167,175.52 : x
  2. Step 2: Convert to fraction form
    279,929,424.48/420,081,426.84 = 116,167,175.52/x
  3. Step 3: Cross multiply
    279,929,424.48x = 420,081,426.84 × 116,167,175.52
  4. Step 4: Simplify right side
    279,929,424.48x = 48,799,672,844,414,312
  5. Step 5: Solve for x
    x = 48,799,672,844,414,312/279,929,424.48
  6. Step 6: Final answer
    x = 174,328,486.31

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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.