Home / 219,792,645.96-303,314,448.25-120,679,813.00

Finding the Fourth Proportional to 219,792,645.96, 303,314,448.25 and 120,679,813.00

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Solution

The fourth proportional to 219,792,645.96, 303,314,448.25 and 120,679,813.00 is: 166,538,469.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,792,645.96 : 303,314,448.25 = 120,679,813.00 : x
  2. Step 2: Convert to fraction form
    219,792,645.96/303,314,448.25 = 120,679,813.00/x
  3. Step 3: Cross multiply
    219,792,645.96x = 303,314,448.25 × 120,679,813.00
  4. Step 4: Simplify right side
    219,792,645.96x = 36,603,930,895,538,176
  5. Step 5: Solve for x
    x = 36,603,930,895,538,176/219,792,645.96
  6. Step 6: Final answer
    x = 166,538,469.64

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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.