Home / 92,840,556.76-128,122,850.18-51,023,861.21

Finding the Fourth Proportional to 92,840,556.76, 128,122,850.18 and 51,023,861.21

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Solution

The fourth proportional to 92,840,556.76, 128,122,850.18 and 51,023,861.21 is: 70,414,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,840,556.76 : 128,122,850.18 = 51,023,861.21 : x
  2. Step 2: Convert to fraction form
    92,840,556.76/128,122,850.18 = 51,023,861.21/x
  3. Step 3: Cross multiply
    92,840,556.76x = 128,122,850.18 × 51,023,861.21
  4. Step 4: Simplify right side
    92,840,556.76x = 6,537,322,525,861,810
  5. Step 5: Solve for x
    x = 6,537,322,525,861,810/92,840,556.76
  6. Step 6: Final answer
    x = 70,414,512.30

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1.5x scale

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.