Home / 57,177,210.80-85,782,650.44-20,785,027.80

Finding the Fourth Proportional to 57,177,210.80, 85,782,650.44 and 20,785,027.80

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Solution

The fourth proportional to 57,177,210.80, 85,782,650.44 and 20,785,027.80 is: 31,183,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,177,210.80 : 85,782,650.44 = 20,785,027.80 : x
  2. Step 2: Convert to fraction form
    57,177,210.80/85,782,650.44 = 20,785,027.80/x
  3. Step 3: Cross multiply
    57,177,210.80x = 85,782,650.44 × 20,785,027.80
  4. Step 4: Simplify right side
    57,177,210.80x = 1,782,994,774,153,082.25
  5. Step 5: Solve for x
    x = 1,782,994,774,153,082.25/57,177,210.80
  6. Step 6: Final answer
    x = 31,183,661.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.