Home / 80,575,230.80-120,862,846.20-56,341,521.20

Finding the Fourth Proportional to 80,575,230.80, 120,862,846.20 and 56,341,521.20

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Solution

The fourth proportional to 80,575,230.80, 120,862,846.20 and 56,341,521.20 is: 84,512,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,575,230.80 : 120,862,846.20 = 56,341,521.20 : x
  2. Step 2: Convert to fraction form
    80,575,230.80/120,862,846.20 = 56,341,521.20/x
  3. Step 3: Cross multiply
    80,575,230.80x = 120,862,846.20 × 56,341,521.20
  4. Step 4: Simplify right side
    80,575,230.80x = 6,809,596,611,469,640
  5. Step 5: Solve for x
    x = 6,809,596,611,469,640/80,575,230.80
  6. Step 6: Final answer
    x = 84,512,281.80

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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.