Home / 100,740,367.80-150,858,609.30-80,584,975.80

Finding the Fourth Proportional to 100,740,367.80, 150,858,609.30 and 80,584,975.80

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Solution

The fourth proportional to 100,740,367.80, 150,858,609.30 and 80,584,975.80 is: 120,675,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,740,367.80 : 150,858,609.30 = 80,584,975.80 : x
  2. Step 2: Convert to fraction form
    100,740,367.80/150,858,609.30 = 80,584,975.80/x
  3. Step 3: Cross multiply
    100,740,367.80x = 150,858,609.30 × 80,584,975.80
  4. Step 4: Simplify right side
    100,740,367.80x = 12,156,937,379,662,156
  5. Step 5: Solve for x
    x = 12,156,937,379,662,156/100,740,367.80
  6. Step 6: Final answer
    x = 120,675,928.08

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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.