Home / 204,886,834.40-307,471,969.20-147,420,347.60

Finding the Fourth Proportional to 204,886,834.40, 307,471,969.20 and 147,420,347.60

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Solution

The fourth proportional to 204,886,834.40, 307,471,969.20 and 147,420,347.60 is: 221,232,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,886,834.40 : 307,471,969.20 = 147,420,347.60 : x
  2. Step 2: Convert to fraction form
    204,886,834.40/307,471,969.20 = 147,420,347.60/x
  3. Step 3: Cross multiply
    204,886,834.40x = 307,471,969.20 × 147,420,347.60
  4. Step 4: Simplify right side
    204,886,834.40x = 45,327,624,576,720,488
  5. Step 5: Solve for x
    x = 45,327,624,576,720,488/204,886,834.40
  6. Step 6: Final answer
    x = 221,232,490.17

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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.