Home / 128,325,181.20-192,487,771.80-98,092,093.20

Finding the Fourth Proportional to 128,325,181.20, 192,487,771.80 and 98,092,093.20

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Solution

The fourth proportional to 128,325,181.20, 192,487,771.80 and 98,092,093.20 is: 147,138,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,325,181.20 : 192,487,771.80 = 98,092,093.20 : x
  2. Step 2: Convert to fraction form
    128,325,181.20/192,487,771.80 = 98,092,093.20/x
  3. Step 3: Cross multiply
    128,325,181.20x = 192,487,771.80 × 98,092,093.20
  4. Step 4: Simplify right side
    128,325,181.20x = 18,881,528,451,265,932
  5. Step 5: Solve for x
    x = 18,881,528,451,265,932/128,325,181.20
  6. Step 6: Final answer
    x = 147,138,139.80

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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.