Home / 254,474,065.13-351,202,712.56-154,057,850.78

Finding the Fourth Proportional to 254,474,065.13, 351,202,712.56 and 154,057,850.78

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Solution

The fourth proportional to 254,474,065.13, 351,202,712.56 and 154,057,850.78 is: 212,617,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,474,065.13 : 351,202,712.56 = 154,057,850.78 : x
  2. Step 2: Convert to fraction form
    254,474,065.13/351,202,712.56 = 154,057,850.78/x
  3. Step 3: Cross multiply
    254,474,065.13x = 351,202,712.56 × 154,057,850.78
  4. Step 4: Simplify right side
    254,474,065.13x = 54,105,535,082,958,560
  5. Step 5: Solve for x
    x = 54,105,535,082,958,560/254,474,065.13
  6. Step 6: Final answer
    x = 212,617,089.51

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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.