Home / 70,942,198.52-97,900,190.64-38,347,150.52

Finding the Fourth Proportional to 70,942,198.52, 97,900,190.64 and 38,347,150.52

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Solution

The fourth proportional to 70,942,198.52, 97,900,190.64 and 38,347,150.52 is: 52,919,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942,198.52 : 97,900,190.64 = 38,347,150.52 : x
  2. Step 2: Convert to fraction form
    70,942,198.52/97,900,190.64 = 38,347,150.52/x
  3. Step 3: Cross multiply
    70,942,198.52x = 97,900,190.64 × 38,347,150.52
  4. Step 4: Simplify right side
    70,942,198.52x = 3,754,193,346,408,775.50
  5. Step 5: Solve for x
    x = 3,754,193,346,408,775.50/70,942,198.52
  6. Step 6: Final answer
    x = 52,919,044.30

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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.