Home / 145,464,400.89-200,745,129.06-79,389,137.16

Finding the Fourth Proportional to 145,464,400.89, 200,745,129.06 and 79,389,137.16

Calculator

Solution

The fourth proportional to 145,464,400.89, 200,745,129.06 and 79,389,137.16 is: 109,559,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,464,400.89 : 200,745,129.06 = 79,389,137.16 : x
  2. Step 2: Convert to fraction form
    145,464,400.89/200,745,129.06 = 79,389,137.16/x
  3. Step 3: Cross multiply
    145,464,400.89x = 200,745,129.06 × 79,389,137.16
  4. Step 4: Simplify right side
    145,464,400.89x = 15,936,982,585,146,242
  5. Step 5: Solve for x
    x = 15,936,982,585,146,242/145,464,400.89
  6. Step 6: Final answer
    x = 109,559,331.96

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.