Home / 77,128,954.04-115,694,109-19,621,286

Finding the Fourth Proportional to 77,128,954.04, 115,694,109 and 19,621,286

Calculator

Solution

The fourth proportional to 77,128,954.04, 115,694,109 and 19,621,286 is: 29,432,101.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,128,954.04 : 115,694,109 = 19,621,286 : x
  2. Step 2: Convert to fraction form
    77,128,954.04/115,694,109 = 19,621,286/x
  3. Step 3: Cross multiply
    77,128,954.04x = 115,694,109 × 19,621,286
  4. Step 4: Simplify right side
    77,128,954.04x = 2,270,067,201,204,174
  5. Step 5: Solve for x
    x = 2,270,067,201,204,174/77,128,954.04
  6. Step 6: Final answer
    x = 29,432,101.47

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.