Home / 203,442,184,512.78-305,209,250,904.48-67,303,989,628.62

Finding the Fourth Proportional to 203,442,184,512.78, 305,209,250,904.48 and 67,303,989,628.62

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Solution

The fourth proportional to 203,442,184,512.78, 305,209,250,904.48 and 67,303,989,628.62 is: 100,971,193,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,442,184,512.78 : 305,209,250,904.48 = 67,303,989,628.62 : x
  2. Step 2: Convert to fraction form
    203,442,184,512.78/305,209,250,904.48 = 67,303,989,628.62/x
  3. Step 3: Cross multiply
    203,442,184,512.78x = 305,209,250,904.48 × 67,303,989,628.62
  4. Step 4: Simplify right side
    203,442,184,512.78x = 20,541,800,257,433,999,769,600
  5. Step 5: Solve for x
    x = 20,541,800,257,433,999,769,600/203,442,184,512.78
  6. Step 6: Final answer
    x = 100,971,193,887.98

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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.