Home / 278,211,469.16-417,318,643.38-163,115,298.92

Finding the Fourth Proportional to 278,211,469.16, 417,318,643.38 and 163,115,298.92

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Solution

The fourth proportional to 278,211,469.16, 417,318,643.38 and 163,115,298.92 is: 244,673,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,211,469.16 : 417,318,643.38 = 163,115,298.92 : x
  2. Step 2: Convert to fraction form
    278,211,469.16/417,318,643.38 = 163,115,298.92/x
  3. Step 3: Cross multiply
    278,211,469.16x = 417,318,643.38 × 163,115,298.92
  4. Step 4: Simplify right side
    278,211,469.16x = 68,071,055,259,817,576
  5. Step 5: Solve for x
    x = 68,071,055,259,817,576/278,211,469.16
  6. Step 6: Final answer
    x = 244,673,792.44

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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.