Home / 445,810,337.20-668,715,505.80-118,285,217.20

Finding the Fourth Proportional to 445,810,337.20, 668,715,505.80 and 118,285,217.20

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Solution

The fourth proportional to 445,810,337.20, 668,715,505.80 and 118,285,217.20 is: 177,427,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,810,337.20 : 668,715,505.80 = 118,285,217.20 : x
  2. Step 2: Convert to fraction form
    445,810,337.20/668,715,505.80 = 118,285,217.20/x
  3. Step 3: Cross multiply
    445,810,337.20x = 668,715,505.80 × 118,285,217.20
  4. Step 4: Simplify right side
    445,810,337.20x = 79,099,158,848,560,864
  5. Step 5: Solve for x
    x = 79,099,158,848,560,864/445,810,337.20
  6. Step 6: Final answer
    x = 177,427,825.80

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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.