Home / 139,599,188.52-192,597,014.70-80,829,774.60

Finding the Fourth Proportional to 139,599,188.52, 192,597,014.70 and 80,829,774.60

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Solution

The fourth proportional to 139,599,188.52, 192,597,014.70 and 80,829,774.60 is: 111,516,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,599,188.52 : 192,597,014.70 = 80,829,774.60 : x
  2. Step 2: Convert to fraction form
    139,599,188.52/192,597,014.70 = 80,829,774.60/x
  3. Step 3: Cross multiply
    139,599,188.52x = 192,597,014.70 × 80,829,774.60
  4. Step 4: Simplify right side
    139,599,188.52x = 15,567,573,286,833,884
  5. Step 5: Solve for x
    x = 15,567,573,286,833,884/139,599,188.52
  6. Step 6: Final answer
    x = 111,516,216.19

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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.