Home / 109,514,517.40-164,261,100.30-28,735,485.40

Finding the Fourth Proportional to 109,514,517.40, 164,261,100.30 and 28,735,485.40

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Solution

The fourth proportional to 109,514,517.40, 164,261,100.30 and 28,735,485.40 is: 43,100,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,514,517.40 : 164,261,100.30 = 28,735,485.40 : x
  2. Step 2: Convert to fraction form
    109,514,517.40/164,261,100.30 = 28,735,485.40/x
  3. Step 3: Cross multiply
    109,514,517.40x = 164,261,100.30 × 28,735,485.40
  4. Step 4: Simplify right side
    109,514,517.40x = 4,720,122,449,458,586
  5. Step 5: Solve for x
    x = 4,720,122,449,458,586/109,514,517.40
  6. Step 6: Final answer
    x = 43,100,426.88

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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.