Home / 93,517,481.20-140,276,221.80-28,815,523.60

Finding the Fourth Proportional to 93,517,481.20, 140,276,221.80 and 28,815,523.60

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Solution

The fourth proportional to 93,517,481.20, 140,276,221.80 and 28,815,523.60 is: 43,223,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,517,481.20 : 140,276,221.80 = 28,815,523.60 : x
  2. Step 2: Convert to fraction form
    93,517,481.20/140,276,221.80 = 28,815,523.60/x
  3. Step 3: Cross multiply
    93,517,481.20x = 140,276,221.80 × 28,815,523.60
  4. Step 4: Simplify right side
    93,517,481.20x = 4,042,132,779,796,735
  5. Step 5: Solve for x
    x = 4,042,132,779,796,735/93,517,481.20
  6. Step 6: Final answer
    x = 43,223,285.40

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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.