Home / 149,376,723.98-206,140,077.67-82,394,179.95

Finding the Fourth Proportional to 149,376,723.98, 206,140,077.67 and 82,394,179.95

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Solution

The fourth proportional to 149,376,723.98, 206,140,077.67 and 82,394,179.95 is: 113,704,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,376,723.98 : 206,140,077.67 = 82,394,179.95 : x
  2. Step 2: Convert to fraction form
    149,376,723.98/206,140,077.67 = 82,394,179.95/x
  3. Step 3: Cross multiply
    149,376,723.98x = 206,140,077.67 × 82,394,179.95
  4. Step 4: Simplify right side
    149,376,723.98x = 16,984,742,654,242,970
  5. Step 5: Solve for x
    x = 16,984,742,654,242,970/149,376,723.98
  6. Step 6: Final answer
    x = 113,704,077.87

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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.