Home / 114,100,917.52-171,180,884.62-66,817,378.88

Finding the Fourth Proportional to 114,100,917.52, 171,180,884.62 and 66,817,378.88

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Solution

The fourth proportional to 114,100,917.52, 171,180,884.62 and 66,817,378.88 is: 100,243,348.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,100,917.52 : 171,180,884.62 = 66,817,378.88 : x
  2. Step 2: Convert to fraction form
    114,100,917.52/171,180,884.62 = 66,817,378.88/x
  3. Step 3: Cross multiply
    114,100,917.52x = 171,180,884.62 × 66,817,378.88
  4. Step 4: Simplify right side
    114,100,917.52x = 11,437,858,024,668,106
  5. Step 5: Solve for x
    x = 11,437,858,024,668,106/114,100,917.52
  6. Step 6: Final answer
    x = 100,243,348.37

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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.