Home / 219,792,661.07-303,314,469.14-120,679,828.12

Finding the Fourth Proportional to 219,792,661.07, 303,314,469.14 and 120,679,828.12

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Solution

The fourth proportional to 219,792,661.07, 303,314,469.14 and 120,679,828.12 is: 166,538,490.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,792,661.07 : 303,314,469.14 = 120,679,828.12 : x
  2. Step 2: Convert to fraction form
    219,792,661.07/303,314,469.14 = 120,679,828.12/x
  3. Step 3: Cross multiply
    219,792,661.07x = 303,314,469.14 × 120,679,828.12
  4. Step 4: Simplify right side
    219,792,661.07x = 36,603,938,002,124,240
  5. Step 5: Solve for x
    x = 36,603,938,002,124,240/219,792,661.07
  6. Step 6: Final answer
    x = 166,538,490.52

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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.