Home / 89,159,013.89-133,770,377.57-54,215,222.89

Finding the Fourth Proportional to 89,159,013.89, 133,770,377.57 and 54,215,222.89

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Solution

The fourth proportional to 89,159,013.89, 133,770,377.57 and 54,215,222.89 is: 81,342,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,159,013.89 : 133,770,377.57 = 54,215,222.89 : x
  2. Step 2: Convert to fraction form
    89,159,013.89/133,770,377.57 = 54,215,222.89/x
  3. Step 3: Cross multiply
    89,159,013.89x = 133,770,377.57 × 54,215,222.89
  4. Step 4: Simplify right side
    89,159,013.89x = 7,252,390,835,834,669
  5. Step 5: Solve for x
    x = 7,252,390,835,834,669/89,159,013.89
  6. Step 6: Final answer
    x = 81,342,205.56

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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.