Home / 50,863,947.40-76,295,921.10-45,321,214.60

Finding the Fourth Proportional to 50,863,947.40, 76,295,921.10 and 45,321,214.60

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Solution

The fourth proportional to 50,863,947.40, 76,295,921.10 and 45,321,214.60 is: 67,981,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,863,947.40 : 76,295,921.10 = 45,321,214.60 : x
  2. Step 2: Convert to fraction form
    50,863,947.40/76,295,921.10 = 45,321,214.60/x
  3. Step 3: Cross multiply
    50,863,947.40x = 76,295,921.10 × 45,321,214.60
  4. Step 4: Simplify right side
    50,863,947.40x = 3,457,823,813,277,768
  5. Step 5: Solve for x
    x = 3,457,823,813,277,768/50,863,947.40
  6. Step 6: Final answer
    x = 67,981,821.90

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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.