Home / 255,764,165.27-352,873,976.78-156,541,472.15

Finding the Fourth Proportional to 255,764,165.27, 352,873,976.78 and 156,541,472.15

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Solution

The fourth proportional to 255,764,165.27, 352,873,976.78 and 156,541,472.15 is: 215,977,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,764,165.27 : 352,873,976.78 = 156,541,472.15 : x
  2. Step 2: Convert to fraction form
    255,764,165.27/352,873,976.78 = 156,541,472.15/x
  3. Step 3: Cross multiply
    255,764,165.27x = 352,873,976.78 × 156,541,472.15
  4. Step 4: Simplify right side
    255,764,165.27x = 55,239,411,807,193,112
  5. Step 5: Solve for x
    x = 55,239,411,807,193,112/255,764,165.27
  6. Step 6: Final answer
    x = 215,977,917.59

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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.