Home / 122,543,630.40-183,815,445.60-54,393,211.20

Finding the Fourth Proportional to 122,543,630.40, 183,815,445.60 and 54,393,211.20

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Solution

The fourth proportional to 122,543,630.40, 183,815,445.60 and 54,393,211.20 is: 81,589,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,543,630.40 : 183,815,445.60 = 54,393,211.20 : x
  2. Step 2: Convert to fraction form
    122,543,630.40/183,815,445.60 = 54,393,211.20/x
  3. Step 3: Cross multiply
    122,543,630.40x = 183,815,445.60 × 54,393,211.20
  4. Step 4: Simplify right side
    122,543,630.40x = 9,998,312,354,342,910
  5. Step 5: Solve for x
    x = 9,998,312,354,342,910/122,543,630.40
  6. Step 6: Final answer
    x = 81,589,816.80

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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.