Home / 207,052,912,499.03-310,610,423,046.99-72,723,726,359.82

Finding the Fourth Proportional to 207,052,912,499.03, 310,610,423,046.99 and 72,723,726,359.82

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Solution

The fourth proportional to 207,052,912,499.03, 310,610,423,046.99 and 72,723,726,359.82 is: 109,096,496,820.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,052,912,499.03 : 310,610,423,046.99 = 72,723,726,359.82 : x
  2. Step 2: Convert to fraction form
    207,052,912,499.03/310,610,423,046.99 = 72,723,726,359.82/x
  3. Step 3: Cross multiply
    207,052,912,499.03x = 310,610,423,046.99 × 72,723,726,359.82
  4. Step 4: Simplify right side
    207,052,912,499.03x = 22,588,747,410,177,230,110,720
  5. Step 5: Solve for x
    x = 22,588,747,410,177,230,110,720/207,052,912,499.03
  6. Step 6: Final answer
    x = 109,096,496,820.75

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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.