Home / 51,546,190.95-71,135,222.96-31,430,367.92

Finding the Fourth Proportional to 51,546,190.95, 71,135,222.96 and 31,430,367.92

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Solution

The fourth proportional to 51,546,190.95, 71,135,222.96 and 31,430,367.92 is: 43,374,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,546,190.95 : 71,135,222.96 = 31,430,367.92 : x
  2. Step 2: Convert to fraction form
    51,546,190.95/71,135,222.96 = 31,430,367.92/x
  3. Step 3: Cross multiply
    51,546,190.95x = 71,135,222.96 × 31,430,367.92
  4. Step 4: Simplify right side
    51,546,190.95x = 2,235,806,229,960,445.50
  5. Step 5: Solve for x
    x = 2,235,806,229,960,445.50/51,546,190.95
  6. Step 6: Final answer
    x = 43,374,809.83

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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.