Home / 140,949,708.66-194,508,211.38-79,068,718.62

Finding the Fourth Proportional to 140,949,708.66, 194,508,211.38 and 79,068,718.62

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Solution

The fourth proportional to 140,949,708.66, 194,508,211.38 and 79,068,718.62 is: 109,113,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,949,708.66 : 194,508,211.38 = 79,068,718.62 : x
  2. Step 2: Convert to fraction form
    140,949,708.66/194,508,211.38 = 79,068,718.62/x
  3. Step 3: Cross multiply
    140,949,708.66x = 194,508,211.38 × 79,068,718.62
  4. Step 4: Simplify right side
    140,949,708.66x = 15,379,515,034,884,702
  5. Step 5: Solve for x
    x = 15,379,515,034,884,702/140,949,708.66
  6. Step 6: Final answer
    x = 109,113,492.90

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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.