Home / 149,788,286.61-206,689,930.75-82,798,194.87

Finding the Fourth Proportional to 149,788,286.61, 206,689,930.75 and 82,798,194.87

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Solution

The fourth proportional to 149,788,286.61, 206,689,930.75 and 82,798,194.87 is: 114,251,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,788,286.61 : 206,689,930.75 = 82,798,194.87 : x
  2. Step 2: Convert to fraction form
    149,788,286.61/206,689,930.75 = 82,798,194.87/x
  3. Step 3: Cross multiply
    149,788,286.61x = 206,689,930.75 × 82,798,194.87
  4. Step 4: Simplify right side
    149,788,286.61x = 17,113,553,163,905,306
  5. Step 5: Solve for x
    x = 17,113,553,163,905,306/149,788,286.61
  6. Step 6: Final answer
    x = 114,251,611.73

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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.