Home / 187,820,932.52-259,154,073.54-108,434,618.34

Finding the Fourth Proportional to 187,820,932.52, 259,154,073.54 and 108,434,618.34

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Solution

The fourth proportional to 187,820,932.52, 259,154,073.54 and 108,434,618.34 is: 149,617,365.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,820,932.52 : 259,154,073.54 = 108,434,618.34 : x
  2. Step 2: Convert to fraction form
    187,820,932.52/259,154,073.54 = 108,434,618.34/x
  3. Step 3: Cross multiply
    187,820,932.52x = 259,154,073.54 × 108,434,618.34
  4. Step 4: Simplify right side
    187,820,932.52x = 28,101,273,055,566,192
  5. Step 5: Solve for x
    x = 28,101,273,055,566,192/187,820,932.52
  6. Step 6: Final answer
    x = 149,617,365.21

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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.