Home / 55,371,131.92-76,409,849.16-31,847,879.76

Finding the Fourth Proportional to 55,371,131.92, 76,409,849.16 and 31,847,879.76

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Solution

The fourth proportional to 55,371,131.92, 76,409,849.16 and 31,847,879.76 is: 43,948,743.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,371,131.92 : 76,409,849.16 = 31,847,879.76 : x
  2. Step 2: Convert to fraction form
    55,371,131.92/76,409,849.16 = 31,847,879.76/x
  3. Step 3: Cross multiply
    55,371,131.92x = 76,409,849.16 × 31,847,879.76
  4. Step 4: Simplify right side
    55,371,131.92x = 2,433,491,688,527,417
  5. Step 5: Solve for x
    x = 2,433,491,688,527,417/55,371,131.92
  6. Step 6: Final answer
    x = 43,948,743.76

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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.