Home / 42,008,833.24-57,970,757.54-23,171,161.60

Finding the Fourth Proportional to 42,008,833.24, 57,970,757.54 and 23,171,161.60

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Solution

The fourth proportional to 42,008,833.24, 57,970,757.54 and 23,171,161.60 is: 31,975,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,008,833.24 : 57,970,757.54 = 23,171,161.60 : x
  2. Step 2: Convert to fraction form
    42,008,833.24/57,970,757.54 = 23,171,161.60/x
  3. Step 3: Cross multiply
    42,008,833.24x = 57,970,757.54 × 23,171,161.60
  4. Step 4: Simplify right side
    42,008,833.24x = 1,343,249,791,033,758.50
  5. Step 5: Solve for x
    x = 1,343,249,791,033,758.50/42,008,833.24
  6. Step 6: Final answer
    x = 31,975,412.97

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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.