Home / 54,653,328.05-81,994,364.44-19,641,978.56

Finding the Fourth Proportional to 54,653,328.05, 81,994,364.44 and 19,641,978.56

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Solution

The fourth proportional to 54,653,328.05, 81,994,364.44 and 19,641,978.56 is: 29,468,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,653,328.05 : 81,994,364.44 = 19,641,978.56 : x
  2. Step 2: Convert to fraction form
    54,653,328.05/81,994,364.44 = 19,641,978.56/x
  3. Step 3: Cross multiply
    54,653,328.05x = 81,994,364.44 × 19,641,978.56
  4. Step 4: Simplify right side
    54,653,328.05x = 1,610,531,548,527,187.25
  5. Step 5: Solve for x
    x = 1,610,531,548,527,187.25/54,653,328.05
  6. Step 6: Final answer
    x = 29,468,133.16

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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.