Home / 283,875,860.30-391,732,340.54-158,418,217.04

Finding the Fourth Proportional to 283,875,860.30, 391,732,340.54 and 158,418,217.04

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Solution

The fourth proportional to 283,875,860.30, 391,732,340.54 and 158,418,217.04 is: 218,608,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,875,860.30 : 391,732,340.54 = 158,418,217.04 : x
  2. Step 2: Convert to fraction form
    283,875,860.30/391,732,340.54 = 158,418,217.04/x
  3. Step 3: Cross multiply
    283,875,860.30x = 391,732,340.54 × 158,418,217.04
  4. Step 4: Simplify right side
    283,875,860.30x = 62,057,538,945,252,912
  5. Step 5: Solve for x
    x = 62,057,538,945,252,912/283,875,860.30
  6. Step 6: Final answer
    x = 218,608,017.18

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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.