Home / 101,991,037.92-140,707,679.76-62,764,713.36

Finding the Fourth Proportional to 101,991,037.92, 140,707,679.76 and 62,764,713.36

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Solution

The fourth proportional to 101,991,037.92, 140,707,679.76 and 62,764,713.36 is: 86,590,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,991,037.92 : 140,707,679.76 = 62,764,713.36 : x
  2. Step 2: Convert to fraction form
    101,991,037.92/140,707,679.76 = 62,764,713.36/x
  3. Step 3: Cross multiply
    101,991,037.92x = 140,707,679.76 × 62,764,713.36
  4. Step 4: Simplify right side
    101,991,037.92x = 8,831,477,187,687,073
  5. Step 5: Solve for x
    x = 8,831,477,187,687,073/101,991,037.92
  6. Step 6: Final answer
    x = 86,590,717.85

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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.