Home / 323,613,573.39-485,765,791.87-139,471,925.31

Finding the Fourth Proportional to 323,613,573.39, 485,765,791.87 and 139,471,925.31

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Solution

The fourth proportional to 323,613,573.39, 485,765,791.87 and 139,471,925.31 is: 209,356,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,613,573.39 : 485,765,791.87 = 139,471,925.31 : x
  2. Step 2: Convert to fraction form
    323,613,573.39/485,765,791.87 = 139,471,925.31/x
  3. Step 3: Cross multiply
    323,613,573.39x = 485,765,791.87 × 139,471,925.31
  4. Step 4: Simplify right side
    323,613,573.39x = 67,750,690,239,068,144
  5. Step 5: Solve for x
    x = 67,750,690,239,068,144/323,613,573.39
  6. Step 6: Final answer
    x = 209,356,763.16

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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.