Home / 100,940,906.43-151,412,573.84-28,153,255.05

Finding the Fourth Proportional to 100,940,906.43, 151,412,573.84 and 28,153,255.05

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Solution

The fourth proportional to 100,940,906.43, 151,412,573.84 and 28,153,255.05 is: 42,230,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,940,906.43 : 151,412,573.84 = 28,153,255.05 : x
  2. Step 2: Convert to fraction form
    100,940,906.43/151,412,573.84 = 28,153,255.05/x
  3. Step 3: Cross multiply
    100,940,906.43x = 151,412,573.84 × 28,153,255.05
  4. Step 4: Simplify right side
    100,940,906.43x = 4,262,756,808,953,712
  5. Step 5: Solve for x
    x = 4,262,756,808,953,712/100,940,906.43
  6. Step 6: Final answer
    x = 42,230,221.22

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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.