Home / 303,423,725.90-418,725,844-164,194,472.64

Finding the Fourth Proportional to 303,423,725.90, 418,725,844 and 164,194,472.64

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Solution

The fourth proportional to 303,423,725.90, 418,725,844 and 164,194,472.64 is: 226,588,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,423,725.90 : 418,725,844 = 164,194,472.64 : x
  2. Step 2: Convert to fraction form
    303,423,725.90/418,725,844 = 164,194,472.64/x
  3. Step 3: Cross multiply
    303,423,725.90x = 418,725,844 × 164,194,472.64
  4. Step 4: Simplify right side
    303,423,725.90x = 68,752,469,136,318,904
  5. Step 5: Solve for x
    x = 68,752,469,136,318,904/303,423,725.90
  6. Step 6: Final answer
    x = 226,588,968.72

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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.