Home / 114,886,690.40-172,414,016.40-80,874,466.40

Finding the Fourth Proportional to 114,886,690.40, 172,414,016.40 and 80,874,466.40

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Solution

The fourth proportional to 114,886,690.40, 172,414,016.40 and 80,874,466.40 is: 121,370,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,886,690.40 : 172,414,016.40 = 80,874,466.40 : x
  2. Step 2: Convert to fraction form
    114,886,690.40/172,414,016.40 = 80,874,466.40/x
  3. Step 3: Cross multiply
    114,886,690.40x = 172,414,016.40 × 80,874,466.40
  4. Step 4: Simplify right side
    114,886,690.40x = 13,943,891,576,230,850
  5. Step 5: Solve for x
    x = 13,943,891,576,230,850/114,886,690.40
  6. Step 6: Final answer
    x = 121,370,817.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.