Home / 196,419,989.51-271,066,129.20-107,116,806.19

Finding the Fourth Proportional to 196,419,989.51, 271,066,129.20 and 107,116,806.19

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Solution

The fourth proportional to 196,419,989.51, 271,066,129.20 and 107,116,806.19 is: 147,824,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,419,989.51 : 271,066,129.20 = 107,116,806.19 : x
  2. Step 2: Convert to fraction form
    196,419,989.51/271,066,129.20 = 107,116,806.19/x
  3. Step 3: Cross multiply
    196,419,989.51x = 271,066,129.20 × 107,116,806.19
  4. Step 4: Simplify right side
    196,419,989.51x = 29,035,738,024,834,568
  5. Step 5: Solve for x
    x = 29,035,738,024,834,568/196,419,989.51
  6. Step 6: Final answer
    x = 147,824,761.10

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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.