Home / 210,361,868.88-315,576,709.96-64,795,362.56

Finding the Fourth Proportional to 210,361,868.88, 315,576,709.96 and 64,795,362.56

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Solution

The fourth proportional to 210,361,868.88, 315,576,709.96 and 64,795,362.56 is: 97,203,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,361,868.88 : 315,576,709.96 = 64,795,362.56 : x
  2. Step 2: Convert to fraction form
    210,361,868.88/315,576,709.96 = 64,795,362.56/x
  3. Step 3: Cross multiply
    210,361,868.88x = 315,576,709.96 × 64,795,362.56
  4. Step 4: Simplify right side
    210,361,868.88x = 20,447,907,337,350,164
  5. Step 5: Solve for x
    x = 20,447,907,337,350,164/210,361,868.88
  6. Step 6: Final answer
    x = 97,203,487.71

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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.