Home / 275,697,842.40-412,979,893.20-189,533,541.60

Finding the Fourth Proportional to 275,697,842.40, 412,979,893.20 and 189,533,541.60

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Solution

The fourth proportional to 275,697,842.40, 412,979,893.20 and 189,533,541.60 is: 283,910,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,697,842.40 : 412,979,893.20 = 189,533,541.60 : x
  2. Step 2: Convert to fraction form
    275,697,842.40/412,979,893.20 = 189,533,541.60/x
  3. Step 3: Cross multiply
    275,697,842.40x = 412,979,893.20 × 189,533,541.60
  4. Step 4: Simplify right side
    275,697,842.40x = 78,273,541,767,785,760
  5. Step 5: Solve for x
    x = 78,273,541,767,785,760/275,697,842.40
  6. Step 6: Final answer
    x = 283,910,606.94

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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.