Home / 197,540,318.80-272,622,380.33-109,461,944.67

Finding the Fourth Proportional to 197,540,318.80, 272,622,380.33 and 109,461,944.67

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Solution

The fourth proportional to 197,540,318.80, 272,622,380.33 and 109,461,944.67 is: 151,066,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,540,318.80 : 272,622,380.33 = 109,461,944.67 : x
  2. Step 2: Convert to fraction form
    197,540,318.80/272,622,380.33 = 109,461,944.67/x
  3. Step 3: Cross multiply
    197,540,318.80x = 272,622,380.33 × 109,461,944.67
  4. Step 4: Simplify right side
    197,540,318.80x = 29,841,775,911,486,156
  5. Step 5: Solve for x
    x = 29,841,775,911,486,156/197,540,318.80
  6. Step 6: Final answer
    x = 151,066,759.90

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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.