Home / 132,858,276.40-199,287,414.60-105,984,420.40

Finding the Fourth Proportional to 132,858,276.40, 199,287,414.60 and 105,984,420.40

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Solution

The fourth proportional to 132,858,276.40, 199,287,414.60 and 105,984,420.40 is: 158,976,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,858,276.40 : 199,287,414.60 = 105,984,420.40 : x
  2. Step 2: Convert to fraction form
    132,858,276.40/199,287,414.60 = 105,984,420.40/x
  3. Step 3: Cross multiply
    132,858,276.40x = 199,287,414.60 × 105,984,420.40
  4. Step 4: Simplify right side
    132,858,276.40x = 21,121,361,129,395,500
  5. Step 5: Solve for x
    x = 21,121,361,129,395,500/132,858,276.40
  6. Step 6: Final answer
    x = 158,976,630.60

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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.