Home / 215,584,116.96-323,377,575.12-86,202,596.64

Finding the Fourth Proportional to 215,584,116.96, 323,377,575.12 and 86,202,596.64

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Solution

The fourth proportional to 215,584,116.96, 323,377,575.12 and 86,202,596.64 is: 129,304,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,584,116.96 : 323,377,575.12 = 86,202,596.64 : x
  2. Step 2: Convert to fraction form
    215,584,116.96/323,377,575.12 = 86,202,596.64/x
  3. Step 3: Cross multiply
    215,584,116.96x = 323,377,575.12 × 86,202,596.64
  4. Step 4: Simplify right side
    215,584,116.96x = 27,875,986,670,490,660
  5. Step 5: Solve for x
    x = 27,875,986,670,490,660/215,584,116.96
  6. Step 6: Final answer
    x = 129,304,454.63

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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.