Home / 68,893,558.56-103,324,012.66-19,707,895.40

Finding the Fourth Proportional to 68,893,558.56, 103,324,012.66 and 19,707,895.40

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Solution

The fourth proportional to 68,893,558.56, 103,324,012.66 and 19,707,895.40 is: 29,557,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,893,558.56 : 103,324,012.66 = 19,707,895.40 : x
  2. Step 2: Convert to fraction form
    68,893,558.56/103,324,012.66 = 19,707,895.40/x
  3. Step 3: Cross multiply
    68,893,558.56x = 103,324,012.66 × 19,707,895.40
  4. Step 4: Simplify right side
    68,893,558.56x = 2,036,298,833,811,555.50
  5. Step 5: Solve for x
    x = 2,036,298,833,811,555.50/68,893,558.56
  6. Step 6: Final answer
    x = 29,557,173.07

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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.