Home / 190,124,728.50-285,153,381.43-86,469,654.63

Finding the Fourth Proportional to 190,124,728.50, 285,153,381.43 and 86,469,654.63

Calculator

Solution

The fourth proportional to 190,124,728.50, 285,153,381.43 and 86,469,654.63 is: 129,689,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,124,728.50 : 285,153,381.43 = 86,469,654.63 : x
  2. Step 2: Convert to fraction form
    190,124,728.50/285,153,381.43 = 86,469,654.63/x
  3. Step 3: Cross multiply
    190,124,728.50x = 285,153,381.43 × 86,469,654.63
  4. Step 4: Simplify right side
    190,124,728.50x = 24,657,114,408,828,756
  5. Step 5: Solve for x
    x = 24,657,114,408,828,756/190,124,728.50
  6. Step 6: Final answer
    x = 129,689,149.87

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.