Home / 225,745,338.45-311,527,935.08-125,288,941.82

Finding the Fourth Proportional to 225,745,338.45, 311,527,935.08 and 125,288,941.82

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Solution

The fourth proportional to 225,745,338.45, 311,527,935.08 and 125,288,941.82 is: 172,898,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,745,338.45 : 311,527,935.08 = 125,288,941.82 : x
  2. Step 2: Convert to fraction form
    225,745,338.45/311,527,935.08 = 125,288,941.82/x
  3. Step 3: Cross multiply
    225,745,338.45x = 311,527,935.08 × 125,288,941.82
  4. Step 4: Simplify right side
    225,745,338.45x = 39,031,005,333,542,856
  5. Step 5: Solve for x
    x = 39,031,005,333,542,856/225,745,338.45
  6. Step 6: Final answer
    x = 172,898,388.96

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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.