Home / 109,583,693.70-164,375,540.55-68,769,024.90

Finding the Fourth Proportional to 109,583,693.70, 164,375,540.55 and 68,769,024.90

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Solution

The fourth proportional to 109,583,693.70, 164,375,540.55 and 68,769,024.90 is: 103,153,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,583,693.70 : 164,375,540.55 = 68,769,024.90 : x
  2. Step 2: Convert to fraction form
    109,583,693.70/164,375,540.55 = 68,769,024.90/x
  3. Step 3: Cross multiply
    109,583,693.70x = 164,375,540.55 × 68,769,024.90
  4. Step 4: Simplify right side
    109,583,693.70x = 11,303,945,641,033,912
  5. Step 5: Solve for x
    x = 11,303,945,641,033,912/109,583,693.70
  6. Step 6: Final answer
    x = 103,153,537.35

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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.