Home / 80,343,052.37-110,874,627.09-45,068,676.78

Finding the Fourth Proportional to 80,343,052.37, 110,874,627.09 and 45,068,676.78

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Solution

The fourth proportional to 80,343,052.37, 110,874,627.09 and 45,068,676.78 is: 62,195,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,343,052.37 : 110,874,627.09 = 45,068,676.78 : x
  2. Step 2: Convert to fraction form
    80,343,052.37/110,874,627.09 = 45,068,676.78/x
  3. Step 3: Cross multiply
    80,343,052.37x = 110,874,627.09 × 45,068,676.78
  4. Step 4: Simplify right side
    80,343,052.37x = 4,996,972,731,422,242
  5. Step 5: Solve for x
    x = 4,996,972,731,422,242/80,343,052.37
  6. Step 6: Final answer
    x = 62,195,455.42

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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.