Home / 125,118,397.62-187,504,910.91-90,297,072.18

Finding the Fourth Proportional to 125,118,397.62, 187,504,910.91 and 90,297,072.18

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Solution

The fourth proportional to 125,118,397.62, 187,504,910.91 and 90,297,072.18 is: 135,320,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,118,397.62 : 187,504,910.91 = 90,297,072.18 : x
  2. Step 2: Convert to fraction form
    125,118,397.62/187,504,910.91 = 90,297,072.18/x
  3. Step 3: Cross multiply
    125,118,397.62x = 187,504,910.91 × 90,297,072.18
  4. Step 4: Simplify right side
    125,118,397.62x = 16,931,144,474,544,740
  5. Step 5: Solve for x
    x = 16,931,144,474,544,740/125,118,397.62
  6. Step 6: Final answer
    x = 135,320,982.34

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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.