Home / 226,522,842.52-312,625,508.16-138,468,382.96

Finding the Fourth Proportional to 226,522,842.52, 312,625,508.16 and 138,468,382.96

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Solution

The fourth proportional to 226,522,842.52, 312,625,508.16 and 138,468,382.96 is: 191,101,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,522,842.52 : 312,625,508.16 = 138,468,382.96 : x
  2. Step 2: Convert to fraction form
    226,522,842.52/312,625,508.16 = 138,468,382.96/x
  3. Step 3: Cross multiply
    226,522,842.52x = 312,625,508.16 × 138,468,382.96
  4. Step 4: Simplify right side
    226,522,842.52x = 43,288,748,586,963,488
  5. Step 5: Solve for x
    x = 43,288,748,586,963,488/226,522,842.52
  6. Step 6: Final answer
    x = 191,101,030.28

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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.