Home / 173,876,728.40-260,815,092.60-130,511,142.80

Finding the Fourth Proportional to 173,876,728.40, 260,815,092.60 and 130,511,142.80

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Solution

The fourth proportional to 173,876,728.40, 260,815,092.60 and 130,511,142.80 is: 195,766,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,876,728.40 : 260,815,092.60 = 130,511,142.80 : x
  2. Step 2: Convert to fraction form
    173,876,728.40/260,815,092.60 = 130,511,142.80/x
  3. Step 3: Cross multiply
    173,876,728.40x = 260,815,092.60 × 130,511,142.80
  4. Step 4: Simplify right side
    173,876,728.40x = 34,039,275,794,713,820
  5. Step 5: Solve for x
    x = 34,039,275,794,713,820/173,876,728.40
  6. Step 6: Final answer
    x = 195,766,714.20

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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.