Home / 207,857,990.38-311,747,250.51-62,291,551.76

Finding the Fourth Proportional to 207,857,990.38, 311,747,250.51 and 62,291,551.76

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Solution

The fourth proportional to 207,857,990.38, 311,747,250.51 and 62,291,551.76 is: 93,425,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,857,990.38 : 311,747,250.51 = 62,291,551.76 : x
  2. Step 2: Convert to fraction form
    207,857,990.38/311,747,250.51 = 62,291,551.76/x
  3. Step 3: Cross multiply
    207,857,990.38x = 311,747,250.51 × 62,291,551.76
  4. Step 4: Simplify right side
    207,857,990.38x = 19,419,219,991,727,128
  5. Step 5: Solve for x
    x = 19,419,219,991,727,128/207,857,990.38
  6. Step 6: Final answer
    x = 93,425,419.71

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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.