Home / 43,638,760.59-65,458,468.32-19,371,163.42

Finding the Fourth Proportional to 43,638,760.59, 65,458,468.32 and 19,371,163.42

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Solution

The fourth proportional to 43,638,760.59, 65,458,468.32 and 19,371,163.42 is: 29,056,890.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,638,760.59 : 65,458,468.32 = 19,371,163.42 : x
  2. Step 2: Convert to fraction form
    43,638,760.59/65,458,468.32 = 19,371,163.42/x
  3. Step 3: Cross multiply
    43,638,760.59x = 65,458,468.32 × 19,371,163.42
  4. Step 4: Simplify right side
    43,638,760.59x = 1,268,006,687,049,613
  5. Step 5: Solve for x
    x = 1,268,006,687,049,613/43,638,760.59
  6. Step 6: Final answer
    x = 29,056,890.48

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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.