Home / 285,131,866.39-427,877,717.54-121,369,361.72

Finding the Fourth Proportional to 285,131,866.39, 427,877,717.54 and 121,369,361.72

Calculator

Solution

The fourth proportional to 285,131,866.39, 427,877,717.54 and 121,369,361.72 is: 182,130,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,131,866.39 : 427,877,717.54 = 121,369,361.72 : x
  2. Step 2: Convert to fraction form
    285,131,866.39/427,877,717.54 = 121,369,361.72/x
  3. Step 3: Cross multiply
    285,131,866.39x = 427,877,717.54 × 121,369,361.72
  4. Step 4: Simplify right side
    285,131,866.39x = 51,931,245,472,040,248
  5. Step 5: Solve for x
    x = 51,931,245,472,040,248/285,131,866.39
  6. Step 6: Final answer
    x = 182,130,626.54

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.