Home / 103,279,251.08-154,939,321.56-29,503,667.80

Finding the Fourth Proportional to 103,279,251.08, 154,939,321.56 and 29,503,667.80

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Solution

The fourth proportional to 103,279,251.08, 154,939,321.56 and 29,503,667.80 is: 44,261,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,279,251.08 : 154,939,321.56 = 29,503,667.80 : x
  2. Step 2: Convert to fraction form
    103,279,251.08/154,939,321.56 = 29,503,667.80/x
  3. Step 3: Cross multiply
    103,279,251.08x = 154,939,321.56 × 29,503,667.80
  4. Step 4: Simplify right side
    103,279,251.08x = 4,571,278,272,488,129
  5. Step 5: Solve for x
    x = 4,571,278,272,488,129/103,279,251.08
  6. Step 6: Final answer
    x = 44,261,342.18

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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.