Home / 100,704,170.32-151,197,578.88-51,555,128.56

Finding the Fourth Proportional to 100,704,170.32, 151,197,578.88 and 51,555,128.56

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Solution

The fourth proportional to 100,704,170.32, 151,197,578.88 and 51,555,128.56 is: 77,405,042.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,704,170.32 : 151,197,578.88 = 51,555,128.56 : x
  2. Step 2: Convert to fraction form
    100,704,170.32/151,197,578.88 = 51,555,128.56/x
  3. Step 3: Cross multiply
    100,704,170.32x = 151,197,578.88 × 51,555,128.56
  4. Step 4: Simplify right side
    100,704,170.32x = 7,795,010,617,119,141
  5. Step 5: Solve for x
    x = 7,795,010,617,119,141/100,704,170.32
  6. Step 6: Final answer
    x = 77,405,042.83

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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.