Home / 154,625,812.20-231,937,796.70-39,610,132.20

Finding the Fourth Proportional to 154,625,812.20, 231,937,796.70 and 39,610,132.20

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Solution

The fourth proportional to 154,625,812.20, 231,937,796.70 and 39,610,132.20 is: 59,414,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,625,812.20 : 231,937,796.70 = 39,610,132.20 : x
  2. Step 2: Convert to fraction form
    154,625,812.20/231,937,796.70 = 39,610,132.20/x
  3. Step 3: Cross multiply
    154,625,812.20x = 231,937,796.70 × 39,610,132.20
  4. Step 4: Simplify right side
    154,625,812.20x = 9,187,086,789,463,724
  5. Step 5: Solve for x
    x = 9,187,086,789,463,724/154,625,812.20
  6. Step 6: Final answer
    x = 59,414,962.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.