Home / 102,517,748.43-141,474,867.82-55,474,822.30

Finding the Fourth Proportional to 102,517,748.43, 141,474,867.82 and 55,474,822.30

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Solution

The fourth proportional to 102,517,748.43, 141,474,867.82 and 55,474,822.30 is: 76,555,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,517,748.43 : 141,474,867.82 = 55,474,822.30 : x
  2. Step 2: Convert to fraction form
    102,517,748.43/141,474,867.82 = 55,474,822.30/x
  3. Step 3: Cross multiply
    102,517,748.43x = 141,474,867.82 × 55,474,822.30
  4. Step 4: Simplify right side
    102,517,748.43x = 7,848,293,152,230,488
  5. Step 5: Solve for x
    x = 7,848,293,152,230,488/102,517,748.43
  6. Step 6: Final answer
    x = 76,555,457.69

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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.