Home / 54,389,950.80-81,395,969.40-49,854,987.60

Finding the Fourth Proportional to 54,389,950.80, 81,395,969.40 and 49,854,987.60

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Solution

The fourth proportional to 54,389,950.80, 81,395,969.40 and 49,854,987.60 is: 74,609,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,389,950.80 : 81,395,969.40 = 49,854,987.60 : x
  2. Step 2: Convert to fraction form
    54,389,950.80/81,395,969.40 = 49,854,987.60/x
  3. Step 3: Cross multiply
    54,389,950.80x = 81,395,969.40 × 49,854,987.60
  4. Step 4: Simplify right side
    54,389,950.80x = 4,057,995,045,126,980
  5. Step 5: Solve for x
    x = 4,057,995,045,126,980/54,389,950.80
  6. Step 6: Final answer
    x = 74,609,279.57

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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.