Home / 251,836,378.92-347,525,027.78-140,321,457.90

Finding the Fourth Proportional to 251,836,378.92, 347,525,027.78 and 140,321,457.90

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Solution

The fourth proportional to 251,836,378.92, 347,525,027.78 and 140,321,457.90 is: 193,638,499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,836,378.92 : 347,525,027.78 = 140,321,457.90 : x
  2. Step 2: Convert to fraction form
    251,836,378.92/347,525,027.78 = 140,321,457.90/x
  3. Step 3: Cross multiply
    251,836,378.92x = 347,525,027.78 × 140,321,457.90
  4. Step 4: Simplify right side
    251,836,378.92x = 48,765,218,554,125,992
  5. Step 5: Solve for x
    x = 48,765,218,554,125,992/251,836,378.92
  6. Step 6: Final answer
    x = 193,638,499.58

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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.