Home / 42,008,823.72-57,970,744.48-23,171,152.08

Finding the Fourth Proportional to 42,008,823.72, 57,970,744.48 and 23,171,152.08

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Solution

The fourth proportional to 42,008,823.72, 57,970,744.48 and 23,171,152.08 is: 31,975,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,008,823.72 : 57,970,744.48 = 23,171,152.08 : x
  2. Step 2: Convert to fraction form
    42,008,823.72/57,970,744.48 = 23,171,152.08/x
  3. Step 3: Cross multiply
    42,008,823.72x = 57,970,744.48 × 23,171,152.08
  4. Step 4: Simplify right side
    42,008,823.72x = 1,343,248,936,536,900.25
  5. Step 5: Solve for x
    x = 1,343,248,936,536,900.25/42,008,823.72
  6. Step 6: Final answer
    x = 31,975,399.87

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