Home / 80,144,002.80-120,216,004.20-54,634,834.80

Finding the Fourth Proportional to 80,144,002.80, 120,216,004.20 and 54,634,834.80

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Solution

The fourth proportional to 80,144,002.80, 120,216,004.20 and 54,634,834.80 is: 81,952,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,144,002.80 : 120,216,004.20 = 54,634,834.80 : x
  2. Step 2: Convert to fraction form
    80,144,002.80/120,216,004.20 = 54,634,834.80/x
  3. Step 3: Cross multiply
    80,144,002.80x = 120,216,004.20 × 54,634,834.80
  4. Step 4: Simplify right side
    80,144,002.80x = 6,567,981,529,783,106
  5. Step 5: Solve for x
    x = 6,567,981,529,783,106/80,144,002.80
  6. Step 6: Final answer
    x = 81,952,252.20

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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.