Home / 80,825,029.80-121,237,544.70-55,315,861.80

Finding the Fourth Proportional to 80,825,029.80, 121,237,544.70 and 55,315,861.80

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Solution

The fourth proportional to 80,825,029.80, 121,237,544.70 and 55,315,861.80 is: 82,973,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,825,029.80 : 121,237,544.70 = 55,315,861.80 : x
  2. Step 2: Convert to fraction form
    80,825,029.80/121,237,544.70 = 55,315,861.80/x
  3. Step 3: Cross multiply
    80,825,029.80x = 121,237,544.70 × 55,315,861.80
  4. Step 4: Simplify right side
    80,825,029.80x = 6,706,359,267,596,522
  5. Step 5: Solve for x
    x = 6,706,359,267,596,522/80,825,029.80
  6. Step 6: Final answer
    x = 82,973,792.70

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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.