Home / 139,328,294.64-192,276,745.44-76,607,037.60

Finding the Fourth Proportional to 139,328,294.64, 192,276,745.44 and 76,607,037.60

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Solution

The fourth proportional to 139,328,294.64, 192,276,745.44 and 76,607,037.60 is: 105,719,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,328,294.64 : 192,276,745.44 = 76,607,037.60 : x
  2. Step 2: Convert to fraction form
    139,328,294.64/192,276,745.44 = 76,607,037.60/x
  3. Step 3: Cross multiply
    139,328,294.64x = 192,276,745.44 × 76,607,037.60
  4. Step 4: Simplify right side
    139,328,294.64x = 14,729,751,867,527,708
  5. Step 5: Solve for x
    x = 14,729,751,867,527,708/139,328,294.64
  6. Step 6: Final answer
    x = 105,719,745.62

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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.