Home / 81,007,012.10-111,789,673.26-43,837,293.54

Finding the Fourth Proportional to 81,007,012.10, 111,789,673.26 and 43,837,293.54

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Solution

The fourth proportional to 81,007,012.10, 111,789,673.26 and 43,837,293.54 is: 60,495,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,007,012.10 : 111,789,673.26 = 43,837,293.54 : x
  2. Step 2: Convert to fraction form
    81,007,012.10/111,789,673.26 = 43,837,293.54/x
  3. Step 3: Cross multiply
    81,007,012.10x = 111,789,673.26 × 43,837,293.54
  4. Step 4: Simplify right side
    81,007,012.10x = 4,900,556,721,439,309
  5. Step 5: Solve for x
    x = 4,900,556,721,439,309/81,007,012.10
  6. Step 6: Final answer
    x = 60,495,463.22

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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.