Home / 51,140,738.76-70,430,748.12-47,858,352.48

Finding the Fourth Proportional to 51,140,738.76, 70,430,748.12 and 47,858,352.48

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Solution

The fourth proportional to 51,140,738.76, 70,430,748.12 and 47,858,352.48 is: 65,910,263.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,140,738.76 : 70,430,748.12 = 47,858,352.48 : x
  2. Step 2: Convert to fraction form
    51,140,738.76/70,430,748.12 = 47,858,352.48/x
  3. Step 3: Cross multiply
    51,140,738.76x = 70,430,748.12 × 47,858,352.48
  4. Step 4: Simplify right side
    51,140,738.76x = 3,370,699,568,957,057.50
  5. Step 5: Solve for x
    x = 3,370,699,568,957,057.50/51,140,738.76
  6. Step 6: Final answer
    x = 65,910,263.53

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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.