Home / 256,519,805.96-353,987,848.46-139,042,613.94

Finding the Fourth Proportional to 256,519,805.96, 353,987,848.46 and 139,042,613.94

Calculator

Solution

The fourth proportional to 256,519,805.96, 353,987,848.46 and 139,042,613.94 is: 191,873,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,519,805.96 : 353,987,848.46 = 139,042,613.94 : x
  2. Step 2: Convert to fraction form
    256,519,805.96/353,987,848.46 = 139,042,613.94/x
  3. Step 3: Cross multiply
    256,519,805.96x = 353,987,848.46 × 139,042,613.94
  4. Step 4: Simplify right side
    256,519,805.96x = 49,219,395,752,875,000
  5. Step 5: Solve for x
    x = 49,219,395,752,875,000/256,519,805.96
  6. Step 6: Final answer
    x = 191,873,666.71

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.