Home / 80,876,634.80-121,314,952.20-26,289,114.80

Finding the Fourth Proportional to 80,876,634.80, 121,314,952.20 and 26,289,114.80

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Solution

The fourth proportional to 80,876,634.80, 121,314,952.20 and 26,289,114.80 is: 39,433,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,876,634.80 : 121,314,952.20 = 26,289,114.80 : x
  2. Step 2: Convert to fraction form
    80,876,634.80/121,314,952.20 = 26,289,114.80/x
  3. Step 3: Cross multiply
    80,876,634.80x = 121,314,952.20 × 26,289,114.80
  4. Step 4: Simplify right side
    80,876,634.80x = 3,189,262,705,342,312.50
  5. Step 5: Solve for x
    x = 3,189,262,705,342,312.50/80,876,634.80
  6. Step 6: Final answer
    x = 39,433,672.20

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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.