Home / 102,807,206.92-141,873,112.24-55,764,162.87

Finding the Fourth Proportional to 102,807,206.92, 141,873,112.24 and 55,764,162.87

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Solution

The fourth proportional to 102,807,206.92, 141,873,112.24 and 55,764,162.87 is: 76,954,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,807,206.92 : 141,873,112.24 = 55,764,162.87 : x
  2. Step 2: Convert to fraction form
    102,807,206.92/141,873,112.24 = 55,764,162.87/x
  3. Step 3: Cross multiply
    102,807,206.92x = 141,873,112.24 × 55,764,162.87
  4. Step 4: Simplify right side
    102,807,206.92x = 7,911,435,337,685,740
  5. Step 5: Solve for x
    x = 7,911,435,337,685,740/102,807,206.92
  6. Step 6: Final answer
    x = 76,954,092.76

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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.