Home / 56,111,389.56-84,171,857.40-19,716,636.96

Finding the Fourth Proportional to 56,111,389.56, 84,171,857.40 and 19,716,636.96

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Solution

The fourth proportional to 56,111,389.56, 84,171,857.40 and 19,716,636.96 is: 29,576,632.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,111,389.56 : 84,171,857.40 = 19,716,636.96 : x
  2. Step 2: Convert to fraction form
    56,111,389.56/84,171,857.40 = 19,716,636.96/x
  3. Step 3: Cross multiply
    56,111,389.56x = 84,171,857.40 × 19,716,636.96
  4. Step 4: Simplify right side
    56,111,389.56x = 1,659,585,954,604,689.75
  5. Step 5: Solve for x
    x = 1,659,585,954,604,689.75/56,111,389.56
  6. Step 6: Final answer
    x = 29,576,632.62

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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.