Home / 214,014,705.20-321,032,555.40-111,978,033.20

Finding the Fourth Proportional to 214,014,705.20, 321,032,555.40 and 111,978,033.20

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Solution

The fourth proportional to 214,014,705.20, 321,032,555.40 and 111,978,033.20 is: 167,972,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,014,705.20 : 321,032,555.40 = 111,978,033.20 : x
  2. Step 2: Convert to fraction form
    214,014,705.20/321,032,555.40 = 111,978,033.20/x
  3. Step 3: Cross multiply
    214,014,705.20x = 321,032,555.40 × 111,978,033.20
  4. Step 4: Simplify right side
    214,014,705.20x = 35,948,594,146,862,036
  5. Step 5: Solve for x
    x = 35,948,594,146,862,036/214,014,705.20
  6. Step 6: Final answer
    x = 167,972,542.42

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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.