Home / 81,015,182.01-121,533,450.84-26,408,635.11

Finding the Fourth Proportional to 81,015,182.01, 121,533,450.84 and 26,408,635.11

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Solution

The fourth proportional to 81,015,182.01, 121,533,450.84 and 26,408,635.11 is: 39,616,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,015,182.01 : 121,533,450.84 = 26,408,635.11 : x
  2. Step 2: Convert to fraction form
    81,015,182.01/121,533,450.84 = 26,408,635.11/x
  3. Step 3: Cross multiply
    81,015,182.01x = 121,533,450.84 × 26,408,635.11
  4. Step 4: Simplify right side
    81,015,182.01x = 3,209,532,556,892,683
  5. Step 5: Solve for x
    x = 3,209,532,556,892,683/81,015,182.01
  6. Step 6: Final answer
    x = 39,616,433.33

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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.