Home / 216,299,734.56-298,505,586.96-123,510,048.48

Finding the Fourth Proportional to 216,299,734.56, 298,505,586.96 and 123,510,048.48

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Solution

The fourth proportional to 216,299,734.56, 298,505,586.96 and 123,510,048.48 is: 170,450,692.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,299,734.56 : 298,505,586.96 = 123,510,048.48 : x
  2. Step 2: Convert to fraction form
    216,299,734.56/298,505,586.96 = 123,510,048.48/x
  3. Step 3: Cross multiply
    216,299,734.56x = 298,505,586.96 × 123,510,048.48
  4. Step 4: Simplify right side
    216,299,734.56x = 36,868,439,516,980,456
  5. Step 5: Solve for x
    x = 36,868,439,516,980,456/216,299,734.56
  6. Step 6: Final answer
    x = 170,450,692.38

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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.