Home / 57,347,132.20-85,878,980.70-38,073,538.60

Finding the Fourth Proportional to 57,347,132.20, 85,878,980.70 and 38,073,538.60

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Solution

The fourth proportional to 57,347,132.20, 85,878,980.70 and 38,073,538.60 is: 57,016,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,347,132.20 : 85,878,980.70 = 38,073,538.60 : x
  2. Step 2: Convert to fraction form
    57,347,132.20/85,878,980.70 = 38,073,538.60/x
  3. Step 3: Cross multiply
    57,347,132.20x = 85,878,980.70 × 38,073,538.60
  4. Step 4: Simplify right side
    57,347,132.20x = 3,269,716,686,610,105.50
  5. Step 5: Solve for x
    x = 3,269,716,686,610,105.50/57,347,132.20
  6. Step 6: Final answer
    x = 57,016,219.66

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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.