Home / 54,957,062.56-82,441,572.72-20,409,411.76

Finding the Fourth Proportional to 54,957,062.56, 82,441,572.72 and 20,409,411.76

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Solution

The fourth proportional to 54,957,062.56, 82,441,572.72 and 20,409,411.76 is: 30,616,338.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,957,062.56 : 82,441,572.72 = 20,409,411.76 : x
  2. Step 2: Convert to fraction form
    54,957,062.56/82,441,572.72 = 20,409,411.76/x
  3. Step 3: Cross multiply
    54,957,062.56x = 82,441,572.72 × 20,409,411.76
  4. Step 4: Simplify right side
    54,957,062.56x = 1,682,584,003,784,463.25
  5. Step 5: Solve for x
    x = 1,682,584,003,784,463.25/54,957,062.56
  6. Step 6: Final answer
    x = 30,616,338.02

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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.