Home / 283,875,859.80-391,732,339.85-158,418,216.54

Finding the Fourth Proportional to 283,875,859.80, 391,732,339.85 and 158,418,216.54

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Solution

The fourth proportional to 283,875,859.80, 391,732,339.85 and 158,418,216.54 is: 218,608,016.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,875,859.80 : 391,732,339.85 = 158,418,216.54 : x
  2. Step 2: Convert to fraction form
    283,875,859.80/391,732,339.85 = 158,418,216.54/x
  3. Step 3: Cross multiply
    283,875,859.80x = 391,732,339.85 × 158,418,216.54
  4. Step 4: Simplify right side
    283,875,859.80x = 62,057,538,640,078,168
  5. Step 5: Solve for x
    x = 62,057,538,640,078,168/283,875,859.80
  6. Step 6: Final answer
    x = 218,608,016.49

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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.