Home / 217,281,344.40-325,922,016.60-71,737,369.20

Finding the Fourth Proportional to 217,281,344.40, 325,922,016.60 and 71,737,369.20

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Solution

The fourth proportional to 217,281,344.40, 325,922,016.60 and 71,737,369.20 is: 107,606,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,281,344.40 : 325,922,016.60 = 71,737,369.20 : x
  2. Step 2: Convert to fraction form
    217,281,344.40/325,922,016.60 = 71,737,369.20/x
  3. Step 3: Cross multiply
    217,281,344.40x = 325,922,016.60 × 71,737,369.20
  4. Step 4: Simplify right side
    217,281,344.40x = 23,380,788,035,242,732
  5. Step 5: Solve for x
    x = 23,380,788,035,242,732/217,281,344.40
  6. Step 6: Final answer
    x = 107,606,053.80

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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.