Home / 70,915,119.72-106,375,939.56-21,727,450.34

Finding the Fourth Proportional to 70,915,119.72, 106,375,939.56 and 21,727,450.34

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Solution

The fourth proportional to 70,915,119.72, 106,375,939.56 and 21,727,450.34 is: 32,592,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,915,119.72 : 106,375,939.56 = 21,727,450.34 : x
  2. Step 2: Convert to fraction form
    70,915,119.72/106,375,939.56 = 21,727,450.34/x
  3. Step 3: Cross multiply
    70,915,119.72x = 106,375,939.56 × 21,727,450.34
  4. Step 4: Simplify right side
    70,915,119.72x = 2,311,277,944,160,741.50
  5. Step 5: Solve for x
    x = 2,311,277,944,160,741.50/70,915,119.72
  6. Step 6: Final answer
    x = 32,592,174.32

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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.