Home / 315,589,738.92-435,514,429.76-176,360,500.84

Finding the Fourth Proportional to 315,589,738.92, 435,514,429.76 and 176,360,500.84

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Solution

The fourth proportional to 315,589,738.92, 435,514,429.76 and 176,360,500.84 is: 243,377,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,589,738.92 : 435,514,429.76 = 176,360,500.84 : x
  2. Step 2: Convert to fraction form
    315,589,738.92/435,514,429.76 = 176,360,500.84/x
  3. Step 3: Cross multiply
    315,589,738.92x = 435,514,429.76 × 176,360,500.84
  4. Step 4: Simplify right side
    315,589,738.92x = 76,807,542,955,520,608
  5. Step 5: Solve for x
    x = 76,807,542,955,520,608/315,589,738.92
  6. Step 6: Final answer
    x = 243,377,820.90

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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.