Home / 102,668,879.44-154,003,581.69-25,991,915.86

Finding the Fourth Proportional to 102,668,879.44, 154,003,581.69 and 25,991,915.86

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Solution

The fourth proportional to 102,668,879.44, 154,003,581.69 and 25,991,915.86 is: 38,987,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,668,879.44 : 154,003,581.69 = 25,991,915.86 : x
  2. Step 2: Convert to fraction form
    102,668,879.44/154,003,581.69 = 25,991,915.86/x
  3. Step 3: Cross multiply
    102,668,879.44x = 154,003,581.69 × 25,991,915.86
  4. Step 4: Simplify right side
    102,668,879.44x = 4,002,848,137,425,116.50
  5. Step 5: Solve for x
    x = 4,002,848,137,425,116.50/102,668,879.44
  6. Step 6: Final answer
    x = 38,987,940.25

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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.