Home / 54,072,181.80-81,108,272.70-39,616,986.60

Finding the Fourth Proportional to 54,072,181.80, 81,108,272.70 and 39,616,986.60

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Solution

The fourth proportional to 54,072,181.80, 81,108,272.70 and 39,616,986.60 is: 59,425,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,072,181.80 : 81,108,272.70 = 39,616,986.60 : x
  2. Step 2: Convert to fraction form
    54,072,181.80/81,108,272.70 = 39,616,986.60/x
  3. Step 3: Cross multiply
    54,072,181.80x = 81,108,272.70 × 39,616,986.60
  4. Step 4: Simplify right side
    54,072,181.80x = 3,213,265,352,705,046
  5. Step 5: Solve for x
    x = 3,213,265,352,705,046/54,072,181.80
  6. Step 6: Final answer
    x = 59,425,479.90

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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.