Home / 256,562,292.37-354,042,327.39-145,046,465.86

Finding the Fourth Proportional to 256,562,292.37, 354,042,327.39 and 145,046,465.86

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Solution

The fourth proportional to 256,562,292.37, 354,042,327.39 and 145,046,465.86 is: 200,156,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,562,292.37 : 354,042,327.39 = 145,046,465.86 : x
  2. Step 2: Convert to fraction form
    256,562,292.37/354,042,327.39 = 145,046,465.86/x
  3. Step 3: Cross multiply
    256,562,292.37x = 354,042,327.39 × 145,046,465.86
  4. Step 4: Simplify right side
    256,562,292.37x = 51,352,588,350,998,360
  5. Step 5: Solve for x
    x = 51,352,588,350,998,360/256,562,292.37
  6. Step 6: Final answer
    x = 200,156,413.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.