Home / 286,216,337.80-394,988,137.19-159,062,374.52

Finding the Fourth Proportional to 286,216,337.80, 394,988,137.19 and 159,062,374.52

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Solution

The fourth proportional to 286,216,337.80, 394,988,137.19 and 159,062,374.52 is: 219,511,406.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,216,337.80 : 394,988,137.19 = 159,062,374.52 : x
  2. Step 2: Convert to fraction form
    286,216,337.80/394,988,137.19 = 159,062,374.52/x
  3. Step 3: Cross multiply
    286,216,337.80x = 394,988,137.19 × 159,062,374.52
  4. Step 4: Simplify right side
    286,216,337.80x = 62,827,751,007,980,368
  5. Step 5: Solve for x
    x = 62,827,751,007,980,368/286,216,337.80
  6. Step 6: Final answer
    x = 219,511,406.97

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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.