Home / 81,979,992.07-122,991,546.66-29,462,967.84

Finding the Fourth Proportional to 81,979,992.07, 122,991,546.66 and 29,462,967.84

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Solution

The fourth proportional to 81,979,992.07, 122,991,546.66 and 29,462,967.84 is: 44,202,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,979,992.07 : 122,991,546.66 = 29,462,967.84 : x
  2. Step 2: Convert to fraction form
    81,979,992.07/122,991,546.66 = 29,462,967.84/x
  3. Step 3: Cross multiply
    81,979,992.07x = 122,991,546.66 × 29,462,967.84
  4. Step 4: Simplify right side
    81,979,992.07x = 3,623,695,984,186,171.50
  5. Step 5: Solve for x
    x = 3,623,695,984,186,171.50/81,979,992.07
  6. Step 6: Final answer
    x = 44,202,199.74

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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.