Home / 216,669,118.26-325,028,339.73-78,559,765.86

Finding the Fourth Proportional to 216,669,118.26, 325,028,339.73 and 78,559,765.86

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Solution

The fourth proportional to 216,669,118.26, 325,028,339.73 and 78,559,765.86 is: 117,848,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,669,118.26 : 325,028,339.73 = 78,559,765.86 : x
  2. Step 2: Convert to fraction form
    216,669,118.26/325,028,339.73 = 78,559,765.86/x
  3. Step 3: Cross multiply
    216,669,118.26x = 325,028,339.73 × 78,559,765.86
  4. Step 4: Simplify right side
    216,669,118.26x = 25,534,150,267,053,336
  5. Step 5: Solve for x
    x = 25,534,150,267,053,336/216,669,118.26
  6. Step 6: Final answer
    x = 117,848,590.85

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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.