Home / 54,062,678.88-81,083,093.04-19,518,032.16

Finding the Fourth Proportional to 54,062,678.88, 81,083,093.04 and 19,518,032.16

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Solution

The fourth proportional to 54,062,678.88, 81,083,093.04 and 19,518,032.16 is: 29,273,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,062,678.88 : 81,083,093.04 = 19,518,032.16 : x
  2. Step 2: Convert to fraction form
    54,062,678.88/81,083,093.04 = 19,518,032.16/x
  3. Step 3: Cross multiply
    54,062,678.88x = 81,083,093.04 × 19,518,032.16
  4. Step 4: Simplify right side
    54,062,678.88x = 1,582,582,417,586,992.25
  5. Step 5: Solve for x
    x = 1,582,582,417,586,992.25/54,062,678.88
  6. Step 6: Final answer
    x = 29,273,103.93

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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.