Home / 271,932,873.80-407,856,008.10-90,180,051.80

Finding the Fourth Proportional to 271,932,873.80, 407,856,008.10 and 90,180,051.80

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Solution

The fourth proportional to 271,932,873.80, 407,856,008.10 and 90,180,051.80 is: 135,255,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,932,873.80 : 407,856,008.10 = 90,180,051.80 : x
  2. Step 2: Convert to fraction form
    271,932,873.80/407,856,008.10 = 90,180,051.80/x
  3. Step 3: Cross multiply
    271,932,873.80x = 407,856,008.10 × 90,180,051.80
  4. Step 4: Simplify right side
    271,932,873.80x = 36,780,475,937,399,224
  5. Step 5: Solve for x
    x = 36,780,475,937,399,224/271,932,873.80
  6. Step 6: Final answer
    x = 135,255,717.43

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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.