Home / 45,448,609.20-68,172,913.80-31,099,702.20

Finding the Fourth Proportional to 45,448,609.20, 68,172,913.80 and 31,099,702.20

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Solution

The fourth proportional to 45,448,609.20, 68,172,913.80 and 31,099,702.20 is: 46,649,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,448,609.20 : 68,172,913.80 = 31,099,702.20 : x
  2. Step 2: Convert to fraction form
    45,448,609.20/68,172,913.80 = 31,099,702.20/x
  3. Step 3: Cross multiply
    45,448,609.20x = 68,172,913.80 × 31,099,702.20
  4. Step 4: Simplify right side
    45,448,609.20x = 2,120,157,317,286,270.25
  5. Step 5: Solve for x
    x = 2,120,157,317,286,270.25/45,448,609.20
  6. Step 6: Final answer
    x = 46,649,553.30

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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.