Home / 86,267,940.20-129,401,910.30-40,918,308.20

Finding the Fourth Proportional to 86,267,940.20, 129,401,910.30 and 40,918,308.20

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Solution

The fourth proportional to 86,267,940.20, 129,401,910.30 and 40,918,308.20 is: 61,377,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,267,940.20 : 129,401,910.30 = 40,918,308.20 : x
  2. Step 2: Convert to fraction form
    86,267,940.20/129,401,910.30 = 40,918,308.20/x
  3. Step 3: Cross multiply
    86,267,940.20x = 129,401,910.30 × 40,918,308.20
  4. Step 4: Simplify right side
    86,267,940.20x = 5,294,907,247,324,155
  5. Step 5: Solve for x
    x = 5,294,907,247,324,155/86,267,940.20
  6. Step 6: Final answer
    x = 61,377,462.30

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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.