Home / 72,349,928.92-99,842,879.10-39,756,980.44

Finding the Fourth Proportional to 72,349,928.92, 99,842,879.10 and 39,756,980.44

Calculator

Solution

The fourth proportional to 72,349,928.92, 99,842,879.10 and 39,756,980.44 is: 54,864,620.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,349,928.92 : 99,842,879.10 = 39,756,980.44 : x
  2. Step 2: Convert to fraction form
    72,349,928.92/99,842,879.10 = 39,756,980.44/x
  3. Step 3: Cross multiply
    72,349,928.92x = 99,842,879.10 × 39,756,980.44
  4. Step 4: Simplify right side
    72,349,928.92x = 3,969,451,391,451,984.50
  5. Step 5: Solve for x
    x = 3,969,451,391,451,984.50/72,349,928.92
  6. Step 6: Final answer
    x = 54,864,620.47

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.