Home / 81,611,702.40-122,258,121.30-49,167,229.35

Finding the Fourth Proportional to 81,611,702.40, 122,258,121.30 and 49,167,229.35

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Solution

The fourth proportional to 81,611,702.40, 122,258,121.30 and 49,167,229.35 is: 73,654,793.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,611,702.40 : 122,258,121.30 = 49,167,229.35 : x
  2. Step 2: Convert to fraction form
    81,611,702.40/122,258,121.30 = 49,167,229.35/x
  3. Step 3: Cross multiply
    81,611,702.40x = 122,258,121.30 × 49,167,229.35
  4. Step 4: Simplify right side
    81,611,702.40x = 6,011,093,089,857,220
  5. Step 5: Solve for x
    x = 6,011,093,089,857,220/81,611,702.40
  6. Step 6: Final answer
    x = 73,654,793.53

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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.