Home / 207,627,554.45-311,472,299.92-76,459,744.47

Finding the Fourth Proportional to 207,627,554.45, 311,472,299.92 and 76,459,744.47

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Solution

The fourth proportional to 207,627,554.45, 311,472,299.92 and 76,459,744.47 is: 114,701,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,627,554.45 : 311,472,299.92 = 76,459,744.47 : x
  2. Step 2: Convert to fraction form
    207,627,554.45/311,472,299.92 = 76,459,744.47/x
  3. Step 3: Cross multiply
    207,627,554.45x = 311,472,299.92 × 76,459,744.47
  4. Step 4: Simplify right side
    207,627,554.45x = 23,815,092,461,461,976
  5. Step 5: Solve for x
    x = 23,815,092,461,461,976/207,627,554.45
  6. Step 6: Final answer
    x = 114,701,020.90

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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.