Home / 269,695,896.37-404,594,872.73-85,509,763.49

Finding the Fourth Proportional to 269,695,896.37, 404,594,872.73 and 85,509,763.49

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Solution

The fourth proportional to 269,695,896.37, 404,594,872.73 and 85,509,763.49 is: 128,280,824.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,695,896.37 : 404,594,872.73 = 85,509,763.49 : x
  2. Step 2: Convert to fraction form
    269,695,896.37/404,594,872.73 = 85,509,763.49/x
  3. Step 3: Cross multiply
    269,695,896.37x = 404,594,872.73 × 85,509,763.49
  4. Step 4: Simplify right side
    269,695,896.37x = 34,596,811,877,313,552
  5. Step 5: Solve for x
    x = 34,596,811,877,313,552/269,695,896.37
  6. Step 6: Final answer
    x = 128,280,824.23

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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.