Home / 69,910,817.39-104,835,836.62-20,044,656.57

Finding the Fourth Proportional to 69,910,817.39, 104,835,836.62 and 20,044,656.57

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Solution

The fourth proportional to 69,910,817.39, 104,835,836.62 and 20,044,656.57 is: 30,058,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,910,817.39 : 104,835,836.62 = 20,044,656.57 : x
  2. Step 2: Convert to fraction form
    69,910,817.39/104,835,836.62 = 20,044,656.57/x
  3. Step 3: Cross multiply
    69,910,817.39x = 104,835,836.62 × 20,044,656.57
  4. Step 4: Simplify right side
    69,910,817.39x = 2,101,398,341,694,720
  5. Step 5: Solve for x
    x = 2,101,398,341,694,720/69,910,817.39
  6. Step 6: Final answer
    x = 30,058,271.67

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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.