Home / 219,792,653.34-303,314,458.43-120,679,820.38

Finding the Fourth Proportional to 219,792,653.34, 303,314,458.43 and 120,679,820.38

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Solution

The fourth proportional to 219,792,653.34, 303,314,458.43 and 120,679,820.38 is: 166,538,479.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,792,653.34 : 303,314,458.43 = 120,679,820.38 : x
  2. Step 2: Convert to fraction form
    219,792,653.34/303,314,458.43 = 120,679,820.38/x
  3. Step 3: Cross multiply
    219,792,653.34x = 303,314,458.43 × 120,679,820.38
  4. Step 4: Simplify right side
    219,792,653.34x = 36,603,934,361,385,976
  5. Step 5: Solve for x
    x = 36,603,934,361,385,976/219,792,653.34
  6. Step 6: Final answer
    x = 166,538,479.82

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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.