Home / 259,634,604.60-389,451,906.90-87,117,046.20

Finding the Fourth Proportional to 259,634,604.60, 389,451,906.90 and 87,117,046.20

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Solution

The fourth proportional to 259,634,604.60, 389,451,906.90 and 87,117,046.20 is: 130,675,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,634,604.60 : 389,451,906.90 = 87,117,046.20 : x
  2. Step 2: Convert to fraction form
    259,634,604.60/389,451,906.90 = 87,117,046.20/x
  3. Step 3: Cross multiply
    259,634,604.60x = 389,451,906.90 × 87,117,046.20
  4. Step 4: Simplify right side
    259,634,604.60x = 33,927,899,766,085,396
  5. Step 5: Solve for x
    x = 33,927,899,766,085,396/259,634,604.60
  6. Step 6: Final answer
    x = 130,675,569.30

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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.