Home / 266,987,622.45-400,601,007.90-121,346,216.40

Finding the Fourth Proportional to 266,987,622.45, 400,601,007.90 and 121,346,216.40

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Solution

The fourth proportional to 266,987,622.45, 400,601,007.90 and 121,346,216.40 is: 182,073,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,987,622.45 : 400,601,007.90 = 121,346,216.40 : x
  2. Step 2: Convert to fraction form
    266,987,622.45/400,601,007.90 = 121,346,216.40/x
  3. Step 3: Cross multiply
    266,987,622.45x = 400,601,007.90 × 121,346,216.40
  4. Step 4: Simplify right side
    266,987,622.45x = 48,611,416,594,691,512
  5. Step 5: Solve for x
    x = 48,611,416,594,691,512/266,987,622.45
  6. Step 6: Final answer
    x = 182,073,671.24

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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.