Home / 140,949,684.45-194,508,177.96-79,068,694.41

Finding the Fourth Proportional to 140,949,684.45, 194,508,177.96 and 79,068,694.41

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Solution

The fourth proportional to 140,949,684.45, 194,508,177.96 and 79,068,694.41 is: 109,113,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,949,684.45 : 194,508,177.96 = 79,068,694.41 : x
  2. Step 2: Convert to fraction form
    140,949,684.45/194,508,177.96 = 79,068,694.41/x
  3. Step 3: Cross multiply
    140,949,684.45x = 194,508,177.96 × 79,068,694.41
  4. Step 4: Simplify right side
    140,949,684.45x = 15,379,507,683,365,138
  5. Step 5: Solve for x
    x = 15,379,507,683,365,138/140,949,684.45
  6. Step 6: Final answer
    x = 109,113,459.48

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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.