Home / 283,875,859.30-391,732,339.16-158,418,216.04

Finding the Fourth Proportional to 283,875,859.30, 391,732,339.16 and 158,418,216.04

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Solution

The fourth proportional to 283,875,859.30, 391,732,339.16 and 158,418,216.04 is: 218,608,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,875,859.30 : 391,732,339.16 = 158,418,216.04 : x
  2. Step 2: Convert to fraction form
    283,875,859.30/391,732,339.16 = 158,418,216.04/x
  3. Step 3: Cross multiply
    283,875,859.30x = 391,732,339.16 × 158,418,216.04
  4. Step 4: Simplify right side
    283,875,859.30x = 62,057,538,334,903,432
  5. Step 5: Solve for x
    x = 62,057,538,334,903,432/283,875,859.30
  6. Step 6: Final answer
    x = 218,608,015.80

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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.