Home / 79,858,920.61-110,205,383.93-43,189,491.61

Finding the Fourth Proportional to 79,858,920.61, 110,205,383.93 and 43,189,491.61

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Solution

The fourth proportional to 79,858,920.61, 110,205,383.93 and 43,189,491.61 is: 59,601,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,858,920.61 : 110,205,383.93 = 43,189,491.61 : x
  2. Step 2: Convert to fraction form
    79,858,920.61/110,205,383.93 = 43,189,491.61/x
  3. Step 3: Cross multiply
    79,858,920.61x = 110,205,383.93 × 43,189,491.61
  4. Step 4: Simplify right side
    79,858,920.61x = 4,759,714,504,621,564
  5. Step 5: Solve for x
    x = 4,759,714,504,621,564/79,858,920.61
  6. Step 6: Final answer
    x = 59,601,538.17

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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.