Home / 84,290,743.70-126,436,115.55-23,706,469.70

Finding the Fourth Proportional to 84,290,743.70, 126,436,115.55 and 23,706,469.70

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Solution

The fourth proportional to 84,290,743.70, 126,436,115.55 and 23,706,469.70 is: 35,559,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,290,743.70 : 126,436,115.55 = 23,706,469.70 : x
  2. Step 2: Convert to fraction form
    84,290,743.70/126,436,115.55 = 23,706,469.70/x
  3. Step 3: Cross multiply
    84,290,743.70x = 126,436,115.55 × 23,706,469.70
  4. Step 4: Simplify right side
    84,290,743.70x = 2,997,353,942,271,773.50
  5. Step 5: Solve for x
    x = 2,997,353,942,271,773.50/84,290,743.70
  6. Step 6: Final answer
    x = 35,559,704.55

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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.