Home / 68,288,052.80-102,432,079.20-56,491,572.80

Finding the Fourth Proportional to 68,288,052.80, 102,432,079.20 and 56,491,572.80

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Solution

The fourth proportional to 68,288,052.80, 102,432,079.20 and 56,491,572.80 is: 84,737,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,288,052.80 : 102,432,079.20 = 56,491,572.80 : x
  2. Step 2: Convert to fraction form
    68,288,052.80/102,432,079.20 = 56,491,572.80/x
  3. Step 3: Cross multiply
    68,288,052.80x = 102,432,079.20 × 56,491,572.80
  4. Step 4: Simplify right side
    68,288,052.80x = 5,786,549,259,182,166
  5. Step 5: Solve for x
    x = 5,786,549,259,182,166/68,288,052.80
  6. Step 6: Final answer
    x = 84,737,359.20

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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.