Home / 358,737,186.52-538,105,786.90-86,107,953.56

Finding the Fourth Proportional to 358,737,186.52, 538,105,786.90 and 86,107,953.56

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Solution

The fourth proportional to 358,737,186.52, 538,105,786.90 and 86,107,953.56 is: 129,161,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,737,186.52 : 538,105,786.90 = 86,107,953.56 : x
  2. Step 2: Convert to fraction form
    358,737,186.52/538,105,786.90 = 86,107,953.56/x
  3. Step 3: Cross multiply
    358,737,186.52x = 538,105,786.90 × 86,107,953.56
  4. Step 4: Simplify right side
    358,737,186.52x = 46,335,188,108,752,456
  5. Step 5: Solve for x
    x = 46,335,188,108,752,456/358,737,186.52
  6. Step 6: Final answer
    x = 129,161,932.05

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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.