Home / 278,028,411.60-417,042,617.40-96,215,163.60

Finding the Fourth Proportional to 278,028,411.60, 417,042,617.40 and 96,215,163.60

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Solution

The fourth proportional to 278,028,411.60, 417,042,617.40 and 96,215,163.60 is: 144,322,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,028,411.60 : 417,042,617.40 = 96,215,163.60 : x
  2. Step 2: Convert to fraction form
    278,028,411.60/417,042,617.40 = 96,215,163.60/x
  3. Step 3: Cross multiply
    278,028,411.60x = 417,042,617.40 × 96,215,163.60
  4. Step 4: Simplify right side
    278,028,411.60x = 40,125,823,661,313,200
  5. Step 5: Solve for x
    x = 40,125,823,661,313,200/278,028,411.60
  6. Step 6: Final answer
    x = 144,322,745.40

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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.