Home / 89,885,585,644.62-124,042,257,725.16-49,239,610,980.30

Finding the Fourth Proportional to 89,885,585,644.62, 124,042,257,725.16 and 49,239,610,980.30

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Solution

The fourth proportional to 89,885,585,644.62, 124,042,257,725.16 and 49,239,610,980.30 is: 67,950,745,068.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,885,585,644.62 : 124,042,257,725.16 = 49,239,610,980.30 : x
  2. Step 2: Convert to fraction form
    89,885,585,644.62/124,042,257,725.16 = 49,239,610,980.30/x
  3. Step 3: Cross multiply
    89,885,585,644.62x = 124,042,257,725.16 × 49,239,610,980.30
  4. Step 4: Simplify right side
    89,885,585,644.62x = 6,107,792,515,504,991,633,408
  5. Step 5: Solve for x
    x = 6,107,792,515,504,991,633,408/89,885,585,644.62
  6. Step 6: Final answer
    x = 67,950,745,068.88

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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.