Home / 66,720,163.83-92,071,135.94-38,843,676.29

Finding the Fourth Proportional to 66,720,163.83, 92,071,135.94 and 38,843,676.29

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Solution

The fourth proportional to 66,720,163.83, 92,071,135.94 and 38,843,676.29 is: 53,602,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,720,163.83 : 92,071,135.94 = 38,843,676.29 : x
  2. Step 2: Convert to fraction form
    66,720,163.83/92,071,135.94 = 38,843,676.29/x
  3. Step 3: Cross multiply
    66,720,163.83x = 92,071,135.94 × 38,843,676.29
  4. Step 4: Simplify right side
    66,720,163.83x = 3,576,381,399,451,370.50
  5. Step 5: Solve for x
    x = 3,576,381,399,451,370.50/66,720,163.83
  6. Step 6: Final answer
    x = 53,602,707.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.