Home / 330,123,630.48-455,575,344.48-181,458,514.68

Finding the Fourth Proportional to 330,123,630.48, 455,575,344.48 and 181,458,514.68

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Solution

The fourth proportional to 330,123,630.48, 455,575,344.48 and 181,458,514.68 is: 250,415,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,123,630.48 : 455,575,344.48 = 181,458,514.68 : x
  2. Step 2: Convert to fraction form
    330,123,630.48/455,575,344.48 = 181,458,514.68/x
  3. Step 3: Cross multiply
    330,123,630.48x = 455,575,344.48 × 181,458,514.68
  4. Step 4: Simplify right side
    330,123,630.48x = 82,668,025,334,170,144
  5. Step 5: Solve for x
    x = 82,668,025,334,170,144/330,123,630.48
  6. Step 6: Final answer
    x = 250,415,352.62

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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.