Home / 280,669,489.75-387,280,866.75-161,569,060.03

Finding the Fourth Proportional to 280,669,489.75, 387,280,866.75 and 161,569,060.03

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Solution

The fourth proportional to 280,669,489.75, 387,280,866.75 and 161,569,060.03 is: 222,940,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,669,489.75 : 387,280,866.75 = 161,569,060.03 : x
  2. Step 2: Convert to fraction form
    280,669,489.75/387,280,866.75 = 161,569,060.03/x
  3. Step 3: Cross multiply
    280,669,489.75x = 387,280,866.75 × 161,569,060.03
  4. Step 4: Simplify right side
    280,669,489.75x = 62,572,605,608,401,184
  5. Step 5: Solve for x
    x = 62,572,605,608,401,184/280,669,489.75
  6. Step 6: Final answer
    x = 222,940,532.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.