Home / 108,396,490.80-162,594,736.20-99,662,487.60

Finding the Fourth Proportional to 108,396,490.80, 162,594,736.20 and 99,662,487.60

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Solution

The fourth proportional to 108,396,490.80, 162,594,736.20 and 99,662,487.60 is: 149,493,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,396,490.80 : 162,594,736.20 = 99,662,487.60 : x
  2. Step 2: Convert to fraction form
    108,396,490.80/162,594,736.20 = 99,662,487.60/x
  3. Step 3: Cross multiply
    108,396,490.80x = 162,594,736.20 × 99,662,487.60
  4. Step 4: Simplify right side
    108,396,490.80x = 16,204,595,880,357,768
  5. Step 5: Solve for x
    x = 16,204,595,880,357,768/108,396,490.80
  6. Step 6: Final answer
    x = 149,493,731.40

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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.