Home / 306,801,366.92-423,387,179.33-172,840,890.44

Finding the Fourth Proportional to 306,801,366.92, 423,387,179.33 and 172,840,890.44

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Solution

The fourth proportional to 306,801,366.92, 423,387,179.33 and 172,840,890.44 is: 238,521,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,801,366.92 : 423,387,179.33 = 172,840,890.44 : x
  2. Step 2: Convert to fraction form
    306,801,366.92/423,387,179.33 = 172,840,890.44/x
  3. Step 3: Cross multiply
    306,801,366.92x = 423,387,179.33 × 172,840,890.44
  4. Step 4: Simplify right side
    306,801,366.92x = 73,178,617,076,116,416
  5. Step 5: Solve for x
    x = 73,178,617,076,116,416/306,801,366.92
  6. Step 6: Final answer
    x = 238,521,157.22

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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.