Home / 219,792,649.83-303,314,453.60-120,679,816.88

Finding the Fourth Proportional to 219,792,649.83, 303,314,453.60 and 120,679,816.88

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Solution

The fourth proportional to 219,792,649.83, 303,314,453.60 and 120,679,816.88 is: 166,538,474.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,792,649.83 : 303,314,453.60 = 120,679,816.88 : x
  2. Step 2: Convert to fraction form
    219,792,649.83/303,314,453.60 = 120,679,816.88/x
  3. Step 3: Cross multiply
    219,792,649.83x = 303,314,453.60 × 120,679,816.88
  4. Step 4: Simplify right side
    219,792,649.83x = 36,603,932,715,988,688
  5. Step 5: Solve for x
    x = 36,603,932,715,988,688/219,792,649.83
  6. Step 6: Final answer
    x = 166,538,474.99

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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.