Home / 251,981,423.37-347,537,234.34-163,903,546.78

Finding the Fourth Proportional to 251,981,423.37, 347,537,234.34 and 163,903,546.78

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Solution

The fourth proportional to 251,981,423.37, 347,537,234.34 and 163,903,546.78 is: 226,058,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,981,423.37 : 347,537,234.34 = 163,903,546.78 : x
  2. Step 2: Convert to fraction form
    251,981,423.37/347,537,234.34 = 163,903,546.78/x
  3. Step 3: Cross multiply
    251,981,423.37x = 347,537,234.34 × 163,903,546.78
  4. Step 4: Simplify right side
    251,981,423.37x = 56,962,585,345,569,168
  5. Step 5: Solve for x
    x = 56,962,585,345,569,168/251,981,423.37
  6. Step 6: Final answer
    x = 226,058,669.66

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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.