Home / 281,087,214.72-387,900,270-157,327,859.04

Finding the Fourth Proportional to 281,087,214.72, 387,900,270 and 157,327,859.04

Calculator

Solution

The fourth proportional to 281,087,214.72, 387,900,270 and 157,327,859.04 is: 217,112,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,087,214.72 : 387,900,270 = 157,327,859.04 : x
  2. Step 2: Convert to fraction form
    281,087,214.72/387,900,270 = 157,327,859.04/x
  3. Step 3: Cross multiply
    281,087,214.72x = 387,900,270 × 157,327,859.04
  4. Step 4: Simplify right side
    281,087,214.72x = 61,027,519,000,137,936
  5. Step 5: Solve for x
    x = 61,027,519,000,137,936/281,087,214.72
  6. Step 6: Final answer
    x = 217,112,397.16

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.