Home / 207,627,558.41-311,472,305.89-76,459,748.43

Finding the Fourth Proportional to 207,627,558.41, 311,472,305.89 and 76,459,748.43

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Solution

The fourth proportional to 207,627,558.41, 311,472,305.89 and 76,459,748.43 is: 114,701,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,627,558.41 : 311,472,305.89 = 76,459,748.43 : x
  2. Step 2: Convert to fraction form
    207,627,558.41/311,472,305.89 = 76,459,748.43/x
  3. Step 3: Cross multiply
    207,627,558.41x = 311,472,305.89 × 76,459,748.43
  4. Step 4: Simplify right side
    207,627,558.41x = 23,815,094,150,879,112
  5. Step 5: Solve for x
    x = 23,815,094,150,879,112/207,627,558.41
  6. Step 6: Final answer
    x = 114,701,026.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.