Home / 154,909,791.60-232,364,687.40-131,021,919.60

Finding the Fourth Proportional to 154,909,791.60, 232,364,687.40 and 131,021,919.60

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Solution

The fourth proportional to 154,909,791.60, 232,364,687.40 and 131,021,919.60 is: 196,532,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,909,791.60 : 232,364,687.40 = 131,021,919.60 : x
  2. Step 2: Convert to fraction form
    154,909,791.60/232,364,687.40 = 131,021,919.60/x
  3. Step 3: Cross multiply
    154,909,791.60x = 232,364,687.40 × 131,021,919.60
  4. Step 4: Simplify right side
    154,909,791.60x = 30,444,867,390,401,932
  5. Step 5: Solve for x
    x = 30,444,867,390,401,932/154,909,791.60
  6. Step 6: Final answer
    x = 196,532,879.40

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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.