Home / 78,624,466.80-117,936,700.20-72,577,849.20

Finding the Fourth Proportional to 78,624,466.80, 117,936,700.20 and 72,577,849.20

Calculator

Solution

The fourth proportional to 78,624,466.80, 117,936,700.20 and 72,577,849.20 is: 108,866,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,624,466.80 : 117,936,700.20 = 72,577,849.20 : x
  2. Step 2: Convert to fraction form
    78,624,466.80/117,936,700.20 = 72,577,849.20/x
  3. Step 3: Cross multiply
    78,624,466.80x = 117,936,700.20 × 72,577,849.20
  4. Step 4: Simplify right side
    78,624,466.80x = 8,559,592,042,261,210
  5. Step 5: Solve for x
    x = 8,559,592,042,261,210/78,624,466.80
  6. Step 6: Final answer
    x = 108,866,773.80

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.