Home / 212,921,804.20-319,382,706.30-120,769,934.80

Finding the Fourth Proportional to 212,921,804.20, 319,382,706.30 and 120,769,934.80

Calculator

Solution

The fourth proportional to 212,921,804.20, 319,382,706.30 and 120,769,934.80 is: 181,154,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,921,804.20 : 319,382,706.30 = 120,769,934.80 : x
  2. Step 2: Convert to fraction form
    212,921,804.20/319,382,706.30 = 120,769,934.80/x
  3. Step 3: Cross multiply
    212,921,804.20x = 319,382,706.30 × 120,769,934.80
  4. Step 4: Simplify right side
    212,921,804.20x = 38,571,828,616,098,552
  5. Step 5: Solve for x
    x = 38,571,828,616,098,552/212,921,804.20
  6. Step 6: Final answer
    x = 181,154,902.20

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.