Home / 29,122,900.70-43,747,336.65-20,619,844.70

Finding the Fourth Proportional to 29,122,900.70, 43,747,336.65 and 20,619,844.70

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Solution

The fourth proportional to 29,122,900.70, 43,747,336.65 and 20,619,844.70 is: 30,974,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122,900.70 : 43,747,336.65 = 20,619,844.70 : x
  2. Step 2: Convert to fraction form
    29,122,900.70/43,747,336.65 = 20,619,844.70/x
  3. Step 3: Cross multiply
    29,122,900.70x = 43,747,336.65 × 20,619,844.70
  4. Step 4: Simplify right side
    29,122,900.70x = 902,063,287,761,618.25
  5. Step 5: Solve for x
    x = 902,063,287,761,618.25/29,122,900.70
  6. Step 6: Final answer
    x = 30,974,362.65

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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.