Home / 42,008,821.73-57,970,741.72-23,171,150.08

Finding the Fourth Proportional to 42,008,821.73, 57,970,741.72 and 23,171,150.08

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Solution

The fourth proportional to 42,008,821.73, 57,970,741.72 and 23,171,150.08 is: 31,975,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,008,821.73 : 57,970,741.72 = 23,171,150.08 : x
  2. Step 2: Convert to fraction form
    42,008,821.73/57,970,741.72 = 23,171,150.08/x
  3. Step 3: Cross multiply
    42,008,821.73x = 57,970,741.72 × 23,171,150.08
  4. Step 4: Simplify right side
    42,008,821.73x = 1,343,248,756,701,018.75
  5. Step 5: Solve for x
    x = 1,343,248,756,701,018.75/42,008,821.73
  6. Step 6: Final answer
    x = 31,975,397.11

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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.