Home / 112,071,830.60-168,149,736.30-43,963,401.80

Finding the Fourth Proportional to 112,071,830.60, 168,149,736.30 and 43,963,401.80

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Solution

The fourth proportional to 112,071,830.60, 168,149,736.30 and 43,963,401.80 is: 65,961,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,071,830.60 : 168,149,736.30 = 43,963,401.80 : x
  2. Step 2: Convert to fraction form
    112,071,830.60/168,149,736.30 = 43,963,401.80/x
  3. Step 3: Cross multiply
    112,071,830.60x = 168,149,736.30 × 43,963,401.80
  4. Step 4: Simplify right side
    112,071,830.60x = 7,392,434,419,520,945
  5. Step 5: Solve for x
    x = 7,392,434,419,520,945/112,071,830.60
  6. Step 6: Final answer
    x = 65,961,574.64

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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.