Home / 454,131,364.40-681,197,046.60-131,025,777.20

Finding the Fourth Proportional to 454,131,364.40, 681,197,046.60 and 131,025,777.20

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Solution

The fourth proportional to 454,131,364.40, 681,197,046.60 and 131,025,777.20 is: 196,538,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,131,364.40 : 681,197,046.60 = 131,025,777.20 : x
  2. Step 2: Convert to fraction form
    454,131,364.40/681,197,046.60 = 131,025,777.20/x
  3. Step 3: Cross multiply
    454,131,364.40x = 681,197,046.60 × 131,025,777.20
  4. Step 4: Simplify right side
    454,131,364.40x = 89,254,372,457,109,616
  5. Step 5: Solve for x
    x = 89,254,372,457,109,616/454,131,364.40
  6. Step 6: Final answer
    x = 196,538,665.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.