Home / 197,608,373.78-272,701,156.93-109,503,843.12

Finding the Fourth Proportional to 197,608,373.78, 272,701,156.93 and 109,503,843.12

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Solution

The fourth proportional to 197,608,373.78, 272,701,156.93 and 109,503,843.12 is: 151,116,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,608,373.78 : 272,701,156.93 = 109,503,843.12 : x
  2. Step 2: Convert to fraction form
    197,608,373.78/272,701,156.93 = 109,503,843.12/x
  3. Step 3: Cross multiply
    197,608,373.78x = 272,701,156.93 × 109,503,843.12
  4. Step 4: Simplify right side
    197,608,373.78x = 29,861,824,706,831,464
  5. Step 5: Solve for x
    x = 29,861,824,706,831,464/197,608,373.78
  6. Step 6: Final answer
    x = 151,116,190.76

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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.