Home / 201,046,776.56-301,397,446.21-69,872,009.19

Finding the Fourth Proportional to 201,046,776.56, 301,397,446.21 and 69,872,009.19

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Solution

The fourth proportional to 201,046,776.56, 301,397,446.21 and 69,872,009.19 is: 104,747,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,046,776.56 : 301,397,446.21 = 69,872,009.19 : x
  2. Step 2: Convert to fraction form
    201,046,776.56/301,397,446.21 = 69,872,009.19/x
  3. Step 3: Cross multiply
    201,046,776.56x = 301,397,446.21 × 69,872,009.19
  4. Step 4: Simplify right side
    201,046,776.56x = 21,059,245,131,427,648
  5. Step 5: Solve for x
    x = 21,059,245,131,427,648/201,046,776.56
  6. Step 6: Final answer
    x = 104,747,986.97

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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.