Home / 126,379,364.40-189,285,611.40-103,704,548.40

Finding the Fourth Proportional to 126,379,364.40, 189,285,611.40 and 103,704,548.40

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Solution

The fourth proportional to 126,379,364.40, 189,285,611.40 and 103,704,548.40 is: 155,324,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,379,364.40 : 189,285,611.40 = 103,704,548.40 : x
  2. Step 2: Convert to fraction form
    126,379,364.40/189,285,611.40 = 103,704,548.40/x
  3. Step 3: Cross multiply
    126,379,364.40x = 189,285,611.40 × 103,704,548.40
  4. Step 4: Simplify right side
    126,379,364.40x = 19,629,778,848,854,892
  5. Step 5: Solve for x
    x = 19,629,778,848,854,892/126,379,364.40
  6. Step 6: Final answer
    x = 155,324,240.96

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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.