Home / 54,641,327.49-81,953,013.60-19,619,193.06

Finding the Fourth Proportional to 54,641,327.49, 81,953,013.60 and 19,619,193.06

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Solution

The fourth proportional to 54,641,327.49, 81,953,013.60 and 19,619,193.06 is: 29,425,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,641,327.49 : 81,953,013.60 = 19,619,193.06 : x
  2. Step 2: Convert to fraction form
    54,641,327.49/81,953,013.60 = 19,619,193.06/x
  3. Step 3: Cross multiply
    54,641,327.49x = 81,953,013.60 × 19,619,193.06
  4. Step 4: Simplify right side
    54,641,327.49x = 1,607,851,995,667,205.50
  5. Step 5: Solve for x
    x = 1,607,851,995,667,205.50/54,641,327.49
  6. Step 6: Final answer
    x = 29,425,566.13

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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.