Home / 51,999,321.60-77,951,216.16-17,912,564.64

Finding the Fourth Proportional to 51,999,321.60, 77,951,216.16 and 17,912,564.64

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Solution

The fourth proportional to 51,999,321.60, 77,951,216.16 and 17,912,564.64 is: 26,852,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,999,321.60 : 77,951,216.16 = 17,912,564.64 : x
  2. Step 2: Convert to fraction form
    51,999,321.60/77,951,216.16 = 17,912,564.64/x
  3. Step 3: Cross multiply
    51,999,321.60x = 77,951,216.16 × 17,912,564.64
  4. Step 4: Simplify right side
    51,999,321.60x = 1,396,306,198,232,612.50
  5. Step 5: Solve for x
    x = 1,396,306,198,232,612.50/51,999,321.60
  6. Step 6: Final answer
    x = 26,852,392.59

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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.