Home / 79,236,520.12-109,245,853.90-56,631,870.94

Finding the Fourth Proportional to 79,236,520.12, 109,245,853.90 and 56,631,870.94

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Solution

The fourth proportional to 79,236,520.12, 109,245,853.90 and 56,631,870.94 is: 78,080,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,236,520.12 : 109,245,853.90 = 56,631,870.94 : x
  2. Step 2: Convert to fraction form
    79,236,520.12/109,245,853.90 = 56,631,870.94/x
  3. Step 3: Cross multiply
    79,236,520.12x = 109,245,853.90 × 56,631,870.94
  4. Step 4: Simplify right side
    79,236,520.12x = 6,186,797,098,794,896
  5. Step 5: Solve for x
    x = 6,186,797,098,794,896/79,236,520.12
  6. Step 6: Final answer
    x = 78,080,121.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.