Home / 111,895,593,983.52-154,431,669,792.36-71,237,517,882.72

Finding the Fourth Proportional to 111,895,593,983.52, 154,431,669,792.36 and 71,237,517,882.72

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Solution

The fourth proportional to 111,895,593,983.52, 154,431,669,792.36 and 71,237,517,882.72 is: 98,317,801,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,895,593,983.52 : 154,431,669,792.36 = 71,237,517,882.72 : x
  2. Step 2: Convert to fraction form
    111,895,593,983.52/154,431,669,792.36 = 71,237,517,882.72/x
  3. Step 3: Cross multiply
    111,895,593,983.52x = 154,431,669,792.36 × 71,237,517,882.72
  4. Step 4: Simplify right side
    111,895,593,983.52x = 11,001,328,838,491,554,971,648
  5. Step 5: Solve for x
    x = 11,001,328,838,491,554,971,648/111,895,593,983.52
  6. Step 6: Final answer
    x = 98,317,801,861.90

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Double scale
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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.