Home / 109,255,512.20-163,883,268.30-84,862,370.30

Finding the Fourth Proportional to 109,255,512.20, 163,883,268.30 and 84,862,370.30

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Solution

The fourth proportional to 109,255,512.20, 163,883,268.30 and 84,862,370.30 is: 127,293,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,255,512.20 : 163,883,268.30 = 84,862,370.30 : x
  2. Step 2: Convert to fraction form
    109,255,512.20/163,883,268.30 = 84,862,370.30/x
  3. Step 3: Cross multiply
    109,255,512.20x = 163,883,268.30 × 84,862,370.30
  4. Step 4: Simplify right side
    109,255,512.20x = 13,907,522,600,448,852
  5. Step 5: Solve for x
    x = 13,907,522,600,448,852/109,255,512.20
  6. Step 6: Final answer
    x = 127,293,555.45

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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.