Home / 219,546,289.52-328,880,331.12-132,059,512.24

Finding the Fourth Proportional to 219,546,289.52, 328,880,331.12 and 132,059,512.24

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Solution

The fourth proportional to 219,546,289.52, 328,880,331.12 and 132,059,512.24 is: 197,825,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,546,289.52 : 328,880,331.12 = 132,059,512.24 : x
  2. Step 2: Convert to fraction form
    219,546,289.52/328,880,331.12 = 132,059,512.24/x
  3. Step 3: Cross multiply
    219,546,289.52x = 328,880,331.12 × 132,059,512.24
  4. Step 4: Simplify right side
    219,546,289.52x = 43,431,776,113,036,888
  5. Step 5: Solve for x
    x = 43,431,776,113,036,888/219,546,289.52
  6. Step 6: Final answer
    x = 197,825,142.97

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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.