Home / 197,194,144.31-272,135,931.76-109,086,622.93

Finding the Fourth Proportional to 197,194,144.31, 272,135,931.76 and 109,086,622.93

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Solution

The fourth proportional to 197,194,144.31, 272,135,931.76 and 109,086,622.93 is: 150,543,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,194,144.31 : 272,135,931.76 = 109,086,622.93 : x
  2. Step 2: Convert to fraction form
    197,194,144.31/272,135,931.76 = 109,086,622.93/x
  3. Step 3: Cross multiply
    197,194,144.31x = 272,135,931.76 × 109,086,622.93
  4. Step 4: Simplify right side
    197,194,144.31x = 29,686,389,771,701,216
  5. Step 5: Solve for x
    x = 29,686,389,771,701,216/197,194,144.31
  6. Step 6: Final answer
    x = 150,543,972.17

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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.