Home / 145,235,591.72-200,419,280.80-79,154,670.83

Finding the Fourth Proportional to 145,235,591.72, 200,419,280.80 and 79,154,670.83

Calculator

Solution

The fourth proportional to 145,235,591.72, 200,419,280.80 and 79,154,670.83 is: 109,230,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,235,591.72 : 200,419,280.80 = 79,154,670.83 : x
  2. Step 2: Convert to fraction form
    145,235,591.72/200,419,280.80 = 79,154,670.83/x
  3. Step 3: Cross multiply
    145,235,591.72x = 200,419,280.80 × 79,154,670.83
  4. Step 4: Simplify right side
    145,235,591.72x = 15,864,122,198,509,358
  5. Step 5: Solve for x
    x = 15,864,122,198,509,358/145,235,591.72
  6. Step 6: Final answer
    x = 109,230,265.19

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.