Home / 100,929,252.72-151,391,705.61-28,144,093.86

Finding the Fourth Proportional to 100,929,252.72, 151,391,705.61 and 28,144,093.86

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Solution

The fourth proportional to 100,929,252.72, 151,391,705.61 and 28,144,093.86 is: 42,215,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,929,252.72 : 151,391,705.61 = 28,144,093.86 : x
  2. Step 2: Convert to fraction form
    100,929,252.72/151,391,705.61 = 28,144,093.86/x
  3. Step 3: Cross multiply
    100,929,252.72x = 151,391,705.61 × 28,144,093.86
  4. Step 4: Simplify right side
    100,929,252.72x = 4,260,782,372,313,329
  5. Step 5: Solve for x
    x = 4,260,782,372,313,329/100,929,252.72
  6. Step 6: Final answer
    x = 42,215,534.72

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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.