Home / 260,723,243.60-391,084,865.40-131,280,837.20

Finding the Fourth Proportional to 260,723,243.60, 391,084,865.40 and 131,280,837.20

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Solution

The fourth proportional to 260,723,243.60, 391,084,865.40 and 131,280,837.20 is: 196,921,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,723,243.60 : 391,084,865.40 = 131,280,837.20 : x
  2. Step 2: Convert to fraction form
    260,723,243.60/391,084,865.40 = 131,280,837.20/x
  3. Step 3: Cross multiply
    260,723,243.60x = 391,084,865.40 × 131,280,837.20
  4. Step 4: Simplify right side
    260,723,243.60x = 51,341,948,545,961,312
  5. Step 5: Solve for x
    x = 51,341,948,545,961,312/260,723,243.60
  6. Step 6: Final answer
    x = 196,921,255.80

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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.