Home / 171,253,896.27-256,808,410.92-68,990,476.11

Finding the Fourth Proportional to 171,253,896.27, 256,808,410.92 and 68,990,476.11

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Solution

The fourth proportional to 171,253,896.27, 256,808,410.92 and 68,990,476.11 is: 103,456,533.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,253,896.27 : 256,808,410.92 = 68,990,476.11 : x
  2. Step 2: Convert to fraction form
    171,253,896.27/256,808,410.92 = 68,990,476.11/x
  3. Step 3: Cross multiply
    171,253,896.27x = 256,808,410.92 × 68,990,476.11
  4. Step 4: Simplify right side
    171,253,896.27x = 17,717,334,538,423,322
  5. Step 5: Solve for x
    x = 17,717,334,538,423,322/171,253,896.27
  6. Step 6: Final answer
    x = 103,456,533.98

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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.