Home / 120,990,191.69-181,485,010.71-51,858,168.98

Finding the Fourth Proportional to 120,990,191.69, 181,485,010.71 and 51,858,168.98

Calculator

Solution

The fourth proportional to 120,990,191.69, 181,485,010.71 and 51,858,168.98 is: 77,787,134.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,990,191.69 : 181,485,010.71 = 51,858,168.98 : x
  2. Step 2: Convert to fraction form
    120,990,191.69/181,485,010.71 = 51,858,168.98/x
  3. Step 3: Cross multiply
    120,990,191.69x = 181,485,010.71 × 51,858,168.98
  4. Step 4: Simplify right side
    120,990,191.69x = 9,411,480,351,569,574
  5. Step 5: Solve for x
    x = 9,411,480,351,569,574/120,990,191.69
  6. Step 6: Final answer
    x = 77,787,134.81

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.