Home / 80,879,326.80-121,318,990.20-26,291,806.80

Finding the Fourth Proportional to 80,879,326.80, 121,318,990.20 and 26,291,806.80

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Solution

The fourth proportional to 80,879,326.80, 121,318,990.20 and 26,291,806.80 is: 39,437,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,879,326.80 : 121,318,990.20 = 26,291,806.80 : x
  2. Step 2: Convert to fraction form
    80,879,326.80/121,318,990.20 = 26,291,806.80/x
  3. Step 3: Cross multiply
    80,879,326.80x = 121,318,990.20 × 26,291,806.80
  4. Step 4: Simplify right side
    80,879,326.80x = 3,189,695,451,509,493.50
  5. Step 5: Solve for x
    x = 3,189,695,451,509,493.50/80,879,326.80
  6. Step 6: Final answer
    x = 39,437,710.20

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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.