Home / 65,670,044.78-90,621,836.30-35,900,126.34

Finding the Fourth Proportional to 65,670,044.78, 90,621,836.30 and 35,900,126.34

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Solution

The fourth proportional to 65,670,044.78, 90,621,836.30 and 35,900,126.34 is: 49,540,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,670,044.78 : 90,621,836.30 = 35,900,126.34 : x
  2. Step 2: Convert to fraction form
    65,670,044.78/90,621,836.30 = 35,900,126.34/x
  3. Step 3: Cross multiply
    65,670,044.78x = 90,621,836.30 × 35,900,126.34
  4. Step 4: Simplify right side
    65,670,044.78x = 3,253,335,372,153,298
  5. Step 5: Solve for x
    x = 3,253,335,372,153,298/65,670,044.78
  6. Step 6: Final answer
    x = 49,540,629.72

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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.