Home / 251,494,738.93-347,062,755.72-139,983,179.21

Finding the Fourth Proportional to 251,494,738.93, 347,062,755.72 and 139,983,179.21

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Solution

The fourth proportional to 251,494,738.93, 347,062,755.72 and 139,983,179.21 is: 193,176,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,494,738.93 : 347,062,755.72 = 139,983,179.21 : x
  2. Step 2: Convert to fraction form
    251,494,738.93/347,062,755.72 = 139,983,179.21/x
  3. Step 3: Cross multiply
    251,494,738.93x = 347,062,755.72 × 139,983,179.21
  4. Step 4: Simplify right side
    251,494,738.93x = 48,582,947,929,857,440
  5. Step 5: Solve for x
    x = 48,582,947,929,857,440/251,494,738.93
  6. Step 6: Final answer
    x = 193,176,796.21

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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.