Home / 206,000,511.84-284,276,134.44-111,912,227.28

Finding the Fourth Proportional to 206,000,511.84, 284,276,134.44 and 111,912,227.28

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Solution

The fourth proportional to 206,000,511.84, 284,276,134.44 and 111,912,227.28 is: 154,436,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,000,511.84 : 284,276,134.44 = 111,912,227.28 : x
  2. Step 2: Convert to fraction form
    206,000,511.84/284,276,134.44 = 111,912,227.28/x
  3. Step 3: Cross multiply
    206,000,511.84x = 284,276,134.44 × 111,912,227.28
  4. Step 4: Simplify right side
    206,000,511.84x = 31,813,975,367,729,116
  5. Step 5: Solve for x
    x = 31,813,975,367,729,116/206,000,511.84
  6. Step 6: Final answer
    x = 154,436,389.91

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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.