Home / 117,400,165.20-176,100,247.80-73,751,144.40

Finding the Fourth Proportional to 117,400,165.20, 176,100,247.80 and 73,751,144.40

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Solution

The fourth proportional to 117,400,165.20, 176,100,247.80 and 73,751,144.40 is: 110,626,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,400,165.20 : 176,100,247.80 = 73,751,144.40 : x
  2. Step 2: Convert to fraction form
    117,400,165.20/176,100,247.80 = 73,751,144.40/x
  3. Step 3: Cross multiply
    117,400,165.20x = 176,100,247.80 × 73,751,144.40
  4. Step 4: Simplify right side
    117,400,165.20x = 12,987,594,804,373,584
  5. Step 5: Solve for x
    x = 12,987,594,804,373,584/117,400,165.20
  6. Step 6: Final answer
    x = 110,626,716.60

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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.