Home / 111,186,377.56-166,544,940.12-89,207,763.04

Finding the Fourth Proportional to 111,186,377.56, 166,544,940.12 and 89,207,763.04

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Solution

The fourth proportional to 111,186,377.56, 166,544,940.12 and 89,207,763.04 is: 133,623,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,186,377.56 : 166,544,940.12 = 89,207,763.04 : x
  2. Step 2: Convert to fraction form
    111,186,377.56/166,544,940.12 = 89,207,763.04/x
  3. Step 3: Cross multiply
    111,186,377.56x = 166,544,940.12 × 89,207,763.04
  4. Step 4: Simplify right side
    111,186,377.56x = 14,857,101,553,735,950
  5. Step 5: Solve for x
    x = 14,857,101,553,735,950/111,186,377.56
  6. Step 6: Final answer
    x = 133,623,397.76

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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.