Home / 80,797,683.80-121,196,525.70-55,288,515.80

Finding the Fourth Proportional to 80,797,683.80, 121,196,525.70 and 55,288,515.80

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Solution

The fourth proportional to 80,797,683.80, 121,196,525.70 and 55,288,515.80 is: 82,932,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,797,683.80 : 121,196,525.70 = 55,288,515.80 : x
  2. Step 2: Convert to fraction form
    80,797,683.80/121,196,525.70 = 55,288,515.80/x
  3. Step 3: Cross multiply
    80,797,683.80x = 121,196,525.70 × 55,288,515.80
  4. Step 4: Simplify right side
    80,797,683.80x = 6,700,776,026,069,556
  5. Step 5: Solve for x
    x = 6,700,776,026,069,556/80,797,683.80
  6. Step 6: Final answer
    x = 82,932,773.70

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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.