Home / 221,257,410.80-331,886,116.20-117,945,280.40

Finding the Fourth Proportional to 221,257,410.80, 331,886,116.20 and 117,945,280.40

Calculator

Solution

The fourth proportional to 221,257,410.80, 331,886,116.20 and 117,945,280.40 is: 176,917,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,257,410.80 : 331,886,116.20 = 117,945,280.40 : x
  2. Step 2: Convert to fraction form
    221,257,410.80/331,886,116.20 = 117,945,280.40/x
  3. Step 3: Cross multiply
    221,257,410.80x = 331,886,116.20 × 117,945,280.40
  4. Step 4: Simplify right side
    221,257,410.80x = 39,144,401,036,075,984
  5. Step 5: Solve for x
    x = 39,144,401,036,075,984/221,257,410.80
  6. Step 6: Final answer
    x = 176,917,920.60

Related Problems

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.