Home / 171,393,724.25-257,057,109.71-54,777,798.72

Finding the Fourth Proportional to 171,393,724.25, 257,057,109.71 and 54,777,798.72

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Solution

The fourth proportional to 171,393,724.25, 257,057,109.71 and 54,777,798.72 is: 82,155,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,393,724.25 : 257,057,109.71 = 54,777,798.72 : x
  2. Step 2: Convert to fraction form
    171,393,724.25/257,057,109.71 = 54,777,798.72/x
  3. Step 3: Cross multiply
    171,393,724.25x = 257,057,109.71 × 54,777,798.72
  4. Step 4: Simplify right side
    171,393,724.25x = 14,081,022,615,478,716
  5. Step 5: Solve for x
    x = 14,081,022,615,478,716/171,393,724.25
  6. Step 6: Final answer
    x = 82,155,998.87

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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.