Home / 66,522,013.97-99,783,266.07-20,463,563.87

Finding the Fourth Proportional to 66,522,013.97, 99,783,266.07 and 20,463,563.87

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Solution

The fourth proportional to 66,522,013.97, 99,783,266.07 and 20,463,563.87 is: 30,695,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,522,013.97 : 99,783,266.07 = 20,463,563.87 : x
  2. Step 2: Convert to fraction form
    66,522,013.97/99,783,266.07 = 20,463,563.87/x
  3. Step 3: Cross multiply
    66,522,013.97x = 99,783,266.07 × 20,463,563.87
  4. Step 4: Simplify right side
    66,522,013.97x = 2,041,921,238,893,939.25
  5. Step 5: Solve for x
    x = 2,041,921,238,893,939.25/66,522,013.97
  6. Step 6: Final answer
    x = 30,695,421.22

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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.