Home / 257,433,906.40-386,150,859.60-119,259,246.40

Finding the Fourth Proportional to 257,433,906.40, 386,150,859.60 and 119,259,246.40

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Solution

The fourth proportional to 257,433,906.40, 386,150,859.60 and 119,259,246.40 is: 178,888,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,433,906.40 : 386,150,859.60 = 119,259,246.40 : x
  2. Step 2: Convert to fraction form
    257,433,906.40/386,150,859.60 = 119,259,246.40/x
  3. Step 3: Cross multiply
    257,433,906.40x = 386,150,859.60 × 119,259,246.40
  4. Step 4: Simplify right side
    257,433,906.40x = 46,052,060,512,608,208
  5. Step 5: Solve for x
    x = 46,052,060,512,608,208/257,433,906.40
  6. Step 6: Final answer
    x = 178,888,869.60

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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.