Home / 166,464,982.72-229,716,487.92-92,121,070.24

Finding the Fourth Proportional to 166,464,982.72, 229,716,487.92 and 92,121,070.24

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Solution

The fourth proportional to 166,464,982.72, 229,716,487.92 and 92,121,070.24 is: 127,124,205.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,464,982.72 : 229,716,487.92 = 92,121,070.24 : x
  2. Step 2: Convert to fraction form
    166,464,982.72/229,716,487.92 = 92,121,070.24/x
  3. Step 3: Cross multiply
    166,464,982.72x = 229,716,487.92 × 92,121,070.24
  4. Step 4: Simplify right side
    166,464,982.72x = 21,161,728,718,964,428
  5. Step 5: Solve for x
    x = 21,161,728,718,964,428/166,464,982.72
  6. Step 6: Final answer
    x = 127,124,205.78

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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.