Home / 240,255,679.88-331,540,070.82-135,827,508.80

Finding the Fourth Proportional to 240,255,679.88, 331,540,070.82 and 135,827,508.80

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Solution

The fourth proportional to 240,255,679.88, 331,540,070.82 and 135,827,508.80 is: 187,434,744.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,255,679.88 : 331,540,070.82 = 135,827,508.80 : x
  2. Step 2: Convert to fraction form
    240,255,679.88/331,540,070.82 = 135,827,508.80/x
  3. Step 3: Cross multiply
    240,255,679.88x = 331,540,070.82 × 135,827,508.80
  4. Step 4: Simplify right side
    240,255,679.88x = 45,032,261,886,856,176
  5. Step 5: Solve for x
    x = 45,032,261,886,856,176/240,255,679.88
  6. Step 6: Final answer
    x = 187,434,744.14

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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.