Home / 217,745,308.80-326,617,963.20-96,576,760.80

Finding the Fourth Proportional to 217,745,308.80, 326,617,963.20 and 96,576,760.80

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Solution

The fourth proportional to 217,745,308.80, 326,617,963.20 and 96,576,760.80 is: 144,865,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,745,308.80 : 326,617,963.20 = 96,576,760.80 : x
  2. Step 2: Convert to fraction form
    217,745,308.80/326,617,963.20 = 96,576,760.80/x
  3. Step 3: Cross multiply
    217,745,308.80x = 326,617,963.20 × 96,576,760.80
  4. Step 4: Simplify right side
    217,745,308.80x = 31,543,704,904,949,600
  5. Step 5: Solve for x
    x = 31,543,704,904,949,600/217,745,308.80
  6. Step 6: Final answer
    x = 144,865,141.20

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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.