Home / 217,593,025.89-300,285,745.44-118,477,617.27

Finding the Fourth Proportional to 217,593,025.89, 300,285,745.44 and 118,477,617.27

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Solution

The fourth proportional to 217,593,025.89, 300,285,745.44 and 118,477,617.27 is: 163,503,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,593,025.89 : 300,285,745.44 = 118,477,617.27 : x
  2. Step 2: Convert to fraction form
    217,593,025.89/300,285,745.44 = 118,477,617.27/x
  3. Step 3: Cross multiply
    217,593,025.89x = 300,285,745.44 × 118,477,617.27
  4. Step 4: Simplify right side
    217,593,025.89x = 35,577,139,617,783,152
  5. Step 5: Solve for x
    x = 35,577,139,617,783,152/217,593,025.89
  6. Step 6: Final answer
    x = 163,503,124.57

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1.5x scale

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.