Home / 35,601,372.57-49,130,860.20-20,133,770.25

Finding the Fourth Proportional to 35,601,372.57, 49,130,860.20 and 20,133,770.25

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Solution

The fourth proportional to 35,601,372.57, 49,130,860.20 and 20,133,770.25 is: 27,785,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,601,372.57 : 49,130,860.20 = 20,133,770.25 : x
  2. Step 2: Convert to fraction form
    35,601,372.57/49,130,860.20 = 20,133,770.25/x
  3. Step 3: Cross multiply
    35,601,372.57x = 49,130,860.20 × 20,133,770.25
  4. Step 4: Simplify right side
    35,601,372.57x = 989,189,451,451,669.12
  5. Step 5: Solve for x
    x = 989,189,451,451,669.12/35,601,372.57
  6. Step 6: Final answer
    x = 27,785,149.28

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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.