Home / 57,347,128.20-85,878,974.70-38,073,534.60

Finding the Fourth Proportional to 57,347,128.20, 85,878,974.70 and 38,073,534.60

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Solution

The fourth proportional to 57,347,128.20, 85,878,974.70 and 38,073,534.60 is: 57,016,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,347,128.20 : 85,878,974.70 = 38,073,534.60 : x
  2. Step 2: Convert to fraction form
    57,347,128.20/85,878,974.70 = 38,073,534.60/x
  3. Step 3: Cross multiply
    57,347,128.20x = 85,878,974.70 × 38,073,534.60
  4. Step 4: Simplify right side
    57,347,128.20x = 3,269,716,114,652,975
  5. Step 5: Solve for x
    x = 3,269,716,114,652,975/57,347,128.20
  6. Step 6: Final answer
    x = 57,016,213.67

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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.