Home / 154,159,530,910.53-231,238,363,686.87-83,861,007,013.46

Finding the Fourth Proportional to 154,159,530,910.53, 231,238,363,686.87 and 83,861,007,013.46

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Solution

The fourth proportional to 154,159,530,910.53, 231,238,363,686.87 and 83,861,007,013.46 is: 125,791,003,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,159,530,910.53 : 231,238,363,686.87 = 83,861,007,013.46 : x
  2. Step 2: Convert to fraction form
    154,159,530,910.53/231,238,363,686.87 = 83,861,007,013.46/x
  3. Step 3: Cross multiply
    154,159,530,910.53x = 231,238,363,686.87 × 83,861,007,013.46
  4. Step 4: Simplify right side
    154,159,530,910.53x = 19,391,882,038,926,081,261,568
  5. Step 5: Solve for x
    x = 19,391,882,038,926,081,261,568/154,159,530,910.53
  6. Step 6: Final answer
    x = 125,791,003,153.61

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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.