Home / 228,315,489.60-315,073,777.44-123,890,905.44

Finding the Fourth Proportional to 228,315,489.60, 315,073,777.44 and 123,890,905.44

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Solution

The fourth proportional to 228,315,489.60, 315,073,777.44 and 123,890,905.44 is: 170,968,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,315,489.60 : 315,073,777.44 = 123,890,905.44 : x
  2. Step 2: Convert to fraction form
    228,315,489.60/315,073,777.44 = 123,890,905.44/x
  3. Step 3: Cross multiply
    228,315,489.60x = 315,073,777.44 × 123,890,905.44
  4. Step 4: Simplify right side
    228,315,489.60x = 39,034,775,567,442,648
  5. Step 5: Solve for x
    x = 39,034,775,567,442,648/228,315,489.60
  6. Step 6: Final answer
    x = 170,968,582.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.