Home / 69,876,091.20-104,795,474.40-21,353,851.20

Finding the Fourth Proportional to 69,876,091.20, 104,795,474.40 and 21,353,851.20

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Solution

The fourth proportional to 69,876,091.20, 104,795,474.40 and 21,353,851.20 is: 32,025,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,876,091.20 : 104,795,474.40 = 21,353,851.20 : x
  2. Step 2: Convert to fraction form
    69,876,091.20/104,795,474.40 = 21,353,851.20/x
  3. Step 3: Cross multiply
    69,876,091.20x = 104,795,474.40 × 21,353,851.20
  4. Step 4: Simplify right side
    69,876,091.20x = 2,237,786,966,771,009.25
  5. Step 5: Solve for x
    x = 2,237,786,966,771,009.25/69,876,091.20
  6. Step 6: Final answer
    x = 32,025,073.65

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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.