Home / 69,515,731.46-95,933,911.56-40,146,530.34

Finding the Fourth Proportional to 69,515,731.46, 95,933,911.56 and 40,146,530.34

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Solution

The fourth proportional to 69,515,731.46, 95,933,911.56 and 40,146,530.34 is: 55,403,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,515,731.46 : 95,933,911.56 = 40,146,530.34 : x
  2. Step 2: Convert to fraction form
    69,515,731.46/95,933,911.56 = 40,146,530.34/x
  3. Step 3: Cross multiply
    69,515,731.46x = 95,933,911.56 × 40,146,530.34
  4. Step 4: Simplify right side
    69,515,731.46x = 3,851,413,691,078,417
  5. Step 5: Solve for x
    x = 3,851,413,691,078,417/69,515,731.46
  6. Step 6: Final answer
    x = 55,403,483.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.