Home / 54,389,924.80-81,395,930.40-49,854,961.60

Finding the Fourth Proportional to 54,389,924.80, 81,395,930.40 and 49,854,961.60

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Solution

The fourth proportional to 54,389,924.80, 81,395,930.40 and 49,854,961.60 is: 74,609,240.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,389,924.80 : 81,395,930.40 = 49,854,961.60 : x
  2. Step 2: Convert to fraction form
    54,389,924.80/81,395,930.40 = 49,854,961.60/x
  3. Step 3: Cross multiply
    54,389,924.80x = 81,395,930.40 × 49,854,961.60
  4. Step 4: Simplify right side
    54,389,924.80x = 4,057,990,984,488,273
  5. Step 5: Solve for x
    x = 4,057,990,984,488,273/54,389,924.80
  6. Step 6: Final answer
    x = 74,609,240.58

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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.