Home / 111,952,109.40-168,002,813.70-51,336,634.20

Finding the Fourth Proportional to 111,952,109.40, 168,002,813.70 and 51,336,634.20

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Solution

The fourth proportional to 111,952,109.40, 168,002,813.70 and 51,336,634.20 is: 77,039,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,952,109.40 : 168,002,813.70 = 51,336,634.20 : x
  2. Step 2: Convert to fraction form
    111,952,109.40/168,002,813.70 = 51,336,634.20/x
  3. Step 3: Cross multiply
    111,952,109.40x = 168,002,813.70 × 51,336,634.20
  4. Step 4: Simplify right side
    111,952,109.40x = 8,624,698,991,487,648
  5. Step 5: Solve for x
    x = 8,624,698,991,487,648/111,952,109.40
  6. Step 6: Final answer
    x = 77,039,182.54

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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.