Home / 57,352,558.30-86,016,881.85-20,978,082.70

Finding the Fourth Proportional to 57,352,558.30, 86,016,881.85 and 20,978,082.70

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Solution

The fourth proportional to 57,352,558.30, 86,016,881.85 and 20,978,082.70 is: 31,462,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,352,558.30 : 86,016,881.85 = 20,978,082.70 : x
  2. Step 2: Convert to fraction form
    57,352,558.30/86,016,881.85 = 20,978,082.70/x
  3. Step 3: Cross multiply
    57,352,558.30x = 86,016,881.85 × 20,978,082.70
  4. Step 4: Simplify right side
    57,352,558.30x = 1,804,469,261,045,428.75
  5. Step 5: Solve for x
    x = 1,804,469,261,045,428.75/57,352,558.30
  6. Step 6: Final answer
    x = 31,462,751.00

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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.