Home / 75,179,990.15-112,595,107.89-73,111,245.35

Finding the Fourth Proportional to 75,179,990.15, 112,595,107.89 and 73,111,245.35

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Solution

The fourth proportional to 75,179,990.15, 112,595,107.89 and 73,111,245.35 is: 109,496,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,179,990.15 : 112,595,107.89 = 73,111,245.35 : x
  2. Step 2: Convert to fraction form
    75,179,990.15/112,595,107.89 = 73,111,245.35/x
  3. Step 3: Cross multiply
    75,179,990.15x = 112,595,107.89 × 73,111,245.35
  4. Step 4: Simplify right side
    75,179,990.15x = 8,231,968,557,866,702
  5. Step 5: Solve for x
    x = 8,231,968,557,866,702/75,179,990.15
  6. Step 6: Final answer
    x = 109,496,802.83

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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.