Home / 115,433,923.87-159,295,766.05-65,873,409.27

Finding the Fourth Proportional to 115,433,923.87, 159,295,766.05 and 65,873,409.27

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Solution

The fourth proportional to 115,433,923.87, 159,295,766.05 and 65,873,409.27 is: 90,903,564.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,433,923.87 : 159,295,766.05 = 65,873,409.27 : x
  2. Step 2: Convert to fraction form
    115,433,923.87/159,295,766.05 = 65,873,409.27/x
  3. Step 3: Cross multiply
    115,433,923.87x = 159,295,766.05 × 65,873,409.27
  4. Step 4: Simplify right side
    115,433,923.87x = 10,493,355,191,104,596
  5. Step 5: Solve for x
    x = 10,493,355,191,104,596/115,433,923.87
  6. Step 6: Final answer
    x = 90,903,564.91

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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.