Home / 221,418,405.32-305,557,387.66-119,576,072.58

Finding the Fourth Proportional to 221,418,405.32, 305,557,387.66 and 119,576,072.58

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Solution

The fourth proportional to 221,418,405.32, 305,557,387.66 and 119,576,072.58 is: 165,014,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,418,405.32 : 305,557,387.66 = 119,576,072.58 : x
  2. Step 2: Convert to fraction form
    221,418,405.32/305,557,387.66 = 119,576,072.58/x
  3. Step 3: Cross multiply
    221,418,405.32x = 305,557,387.66 × 119,576,072.58
  4. Step 4: Simplify right side
    221,418,405.32x = 36,537,352,364,187,360
  5. Step 5: Solve for x
    x = 36,537,352,364,187,360/221,418,405.32
  6. Step 6: Final answer
    x = 165,014,973.85

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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.