Home / 100,950,374.26-139,311,615.09-54,540,665.11

Finding the Fourth Proportional to 100,950,374.26, 139,311,615.09 and 54,540,665.11

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Solution

The fourth proportional to 100,950,374.26, 139,311,615.09 and 54,540,665.11 is: 75,266,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,950,374.26 : 139,311,615.09 = 54,540,665.11 : x
  2. Step 2: Convert to fraction form
    100,950,374.26/139,311,615.09 = 54,540,665.11/x
  3. Step 3: Cross multiply
    100,950,374.26x = 139,311,615.09 × 54,540,665.11
  4. Step 4: Simplify right side
    100,950,374.26x = 7,598,148,144,556,913
  5. Step 5: Solve for x
    x = 7,598,148,144,556,913/100,950,374.26
  6. Step 6: Final answer
    x = 75,266,171.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.