Home / 39,145,403.40-58,718,105.10-31,083,246.60

Finding the Fourth Proportional to 39,145,403.40, 58,718,105.10 and 31,083,246.60

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Solution

The fourth proportional to 39,145,403.40, 58,718,105.10 and 31,083,246.60 is: 46,624,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145,403.40 : 58,718,105.10 = 31,083,246.60 : x
  2. Step 2: Convert to fraction form
    39,145,403.40/58,718,105.10 = 31,083,246.60/x
  3. Step 3: Cross multiply
    39,145,403.40x = 58,718,105.10 × 31,083,246.60
  4. Step 4: Simplify right side
    39,145,403.40x = 1,825,149,340,708,017.75
  5. Step 5: Solve for x
    x = 1,825,149,340,708,017.75/39,145,403.40
  6. Step 6: Final answer
    x = 46,624,869.90

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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.