Home / 120,299,518.21-166,008,889.78-65,294,193.73

Finding the Fourth Proportional to 120,299,518.21, 166,008,889.78 and 65,294,193.73

Calculator

Solution

The fourth proportional to 120,299,518.21, 166,008,889.78 and 65,294,193.73 is: 90,103,574.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,299,518.21 : 166,008,889.78 = 65,294,193.73 : x
  2. Step 2: Convert to fraction form
    120,299,518.21/166,008,889.78 = 65,294,193.73/x
  3. Step 3: Cross multiply
    120,299,518.21x = 166,008,889.78 × 65,294,193.73
  4. Step 4: Simplify right side
    120,299,518.21x = 10,839,416,610,197,536
  5. Step 5: Solve for x
    x = 10,839,416,610,197,536/120,299,518.21
  6. Step 6: Final answer
    x = 90,103,574.57

Related Problems

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.