Home / 111,801,721.62-154,283,361.76-62,242,099.79

Finding the Fourth Proportional to 111,801,721.62, 154,283,361.76 and 62,242,099.79

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Solution

The fourth proportional to 111,801,721.62, 154,283,361.76 and 62,242,099.79 is: 85,892,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,801,721.62 : 154,283,361.76 = 62,242,099.79 : x
  2. Step 2: Convert to fraction form
    111,801,721.62/154,283,361.76 = 62,242,099.79/x
  3. Step 3: Cross multiply
    111,801,721.62x = 154,283,361.76 × 62,242,099.79
  4. Step 4: Simplify right side
    111,801,721.62x = 9,602,920,397,908,974
  5. Step 5: Solve for x
    x = 9,602,920,397,908,974/111,801,721.62
  6. Step 6: Final answer
    x = 85,892,419.71

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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.