Home / 280,669,483.24-387,280,857.78-161,569,053.50

Finding the Fourth Proportional to 280,669,483.24, 387,280,857.78 and 161,569,053.50

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Solution

The fourth proportional to 280,669,483.24, 387,280,857.78 and 161,569,053.50 is: 222,940,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,669,483.24 : 387,280,857.78 = 161,569,053.50 : x
  2. Step 2: Convert to fraction form
    280,669,483.24/387,280,857.78 = 161,569,053.50/x
  3. Step 3: Cross multiply
    280,669,483.24x = 387,280,857.78 × 161,569,053.50
  4. Step 4: Simplify right side
    280,669,483.24x = 62,572,601,630,182,704
  5. Step 5: Solve for x
    x = 62,572,601,630,182,704/280,669,483.24
  6. Step 6: Final answer
    x = 222,940,523.88

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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.