Home / 80,604,431.80-111,234,145.80-45,797,167.96

Finding the Fourth Proportional to 80,604,431.80, 111,234,145.80 and 45,797,167.96

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Solution

The fourth proportional to 80,604,431.80, 111,234,145.80 and 45,797,167.96 is: 63,200,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,604,431.80 : 111,234,145.80 = 45,797,167.96 : x
  2. Step 2: Convert to fraction form
    80,604,431.80/111,234,145.80 = 45,797,167.96/x
  3. Step 3: Cross multiply
    80,604,431.80x = 111,234,145.80 × 45,797,167.96
  4. Step 4: Simplify right side
    80,604,431.80x = 5,094,208,858,089,729
  5. Step 5: Solve for x
    x = 5,094,208,858,089,729/80,604,431.80
  6. Step 6: Final answer
    x = 63,200,108.78

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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.