Home / 69,581,576.58-96,019,945.04-38,643,738.78

Finding the Fourth Proportional to 69,581,576.58, 96,019,945.04 and 38,643,738.78

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Solution

The fourth proportional to 69,581,576.58, 96,019,945.04 and 38,643,738.78 is: 53,326,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581,576.58 : 96,019,945.04 = 38,643,738.78 : x
  2. Step 2: Convert to fraction form
    69,581,576.58/96,019,945.04 = 38,643,738.78/x
  3. Step 3: Cross multiply
    69,581,576.58x = 96,019,945.04 × 38,643,738.78
  4. Step 4: Simplify right side
    69,581,576.58x = 3,710,569,673,795,717
  5. Step 5: Solve for x
    x = 3,710,569,673,795,717/69,581,576.58
  6. Step 6: Final answer
    x = 53,326,898.53

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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.