Home / 156,481,842.84-215,934,106.68-86,861,740.20

Finding the Fourth Proportional to 156,481,842.84, 215,934,106.68 and 86,861,740.20

Calculator

Solution

The fourth proportional to 156,481,842.84, 215,934,106.68 and 86,861,740.20 is: 119,863,186.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,481,842.84 : 215,934,106.68 = 86,861,740.20 : x
  2. Step 2: Convert to fraction form
    156,481,842.84/215,934,106.68 = 86,861,740.20/x
  3. Step 3: Cross multiply
    156,481,842.84x = 215,934,106.68 × 86,861,740.20
  4. Step 4: Simplify right side
    156,481,842.84x = 18,756,412,274,757,244
  5. Step 5: Solve for x
    x = 18,756,412,274,757,244/156,481,842.84
  6. Step 6: Final answer
    x = 119,863,186.26

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.