Home / 74,993,588.46-112,479,016.74-20,410,427.43

Finding the Fourth Proportional to 74,993,588.46, 112,479,016.74 and 20,410,427.43

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Solution

The fourth proportional to 74,993,588.46, 112,479,016.74 and 20,410,427.43 is: 30,612,547.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,993,588.46 : 112,479,016.74 = 20,410,427.43 : x
  2. Step 2: Convert to fraction form
    74,993,588.46/112,479,016.74 = 20,410,427.43/x
  3. Step 3: Cross multiply
    74,993,588.46x = 112,479,016.74 × 20,410,427.43
  4. Step 4: Simplify right side
    74,993,588.46x = 2,295,744,808,569,525
  5. Step 5: Solve for x
    x = 2,295,744,808,569,525/74,993,588.46
  6. Step 6: Final answer
    x = 30,612,547.76

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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.