Home / 213,762,502.44-320,692,102.82-115,392,097.60

Finding the Fourth Proportional to 213,762,502.44, 320,692,102.82 and 115,392,097.60

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Solution

The fourth proportional to 213,762,502.44, 320,692,102.82 and 115,392,097.60 is: 173,114,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,762,502.44 : 320,692,102.82 = 115,392,097.60 : x
  2. Step 2: Convert to fraction form
    213,762,502.44/320,692,102.82 = 115,392,097.60/x
  3. Step 3: Cross multiply
    213,762,502.44x = 320,692,102.82 × 115,392,097.60
  4. Step 4: Simplify right side
    213,762,502.44x = 37,005,334,427,046,000
  5. Step 5: Solve for x
    x = 37,005,334,427,046,000/213,762,502.44
  6. Step 6: Final answer
    x = 173,114,245.97

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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.