Home / 257,325,553.17-355,112,006.31-139,850,891.91

Finding the Fourth Proportional to 257,325,553.17, 355,112,006.31 and 139,850,891.91

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Solution

The fourth proportional to 257,325,553.17, 355,112,006.31 and 139,850,891.91 is: 192,995,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,325,553.17 : 355,112,006.31 = 139,850,891.91 : x
  2. Step 2: Convert to fraction form
    257,325,553.17/355,112,006.31 = 139,850,891.91/x
  3. Step 3: Cross multiply
    257,325,553.17x = 355,112,006.31 × 139,850,891.91
  4. Step 4: Simplify right side
    257,325,553.17x = 49,662,730,810,403,048
  5. Step 5: Solve for x
    x = 49,662,730,810,403,048/257,325,553.17
  6. Step 6: Final answer
    x = 192,995,721.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.