Home / 315,589,719.88-435,514,403.48-176,360,481.80

Finding the Fourth Proportional to 315,589,719.88, 435,514,403.48 and 176,360,481.80

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Solution

The fourth proportional to 315,589,719.88, 435,514,403.48 and 176,360,481.80 is: 243,377,794.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,589,719.88 : 435,514,403.48 = 176,360,481.80 : x
  2. Step 2: Convert to fraction form
    315,589,719.88/435,514,403.48 = 176,360,481.80/x
  3. Step 3: Cross multiply
    315,589,719.88x = 435,514,403.48 × 176,360,481.80
  4. Step 4: Simplify right side
    315,589,719.88x = 76,807,530,028,572,400
  5. Step 5: Solve for x
    x = 76,807,530,028,572,400/315,589,719.88
  6. Step 6: Final answer
    x = 243,377,794.62

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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.