Home / 159,427,245.80-239,140,868.70-120,880,058.60

Finding the Fourth Proportional to 159,427,245.80, 239,140,868.70 and 120,880,058.60

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Solution

The fourth proportional to 159,427,245.80, 239,140,868.70 and 120,880,058.60 is: 181,320,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,427,245.80 : 239,140,868.70 = 120,880,058.60 : x
  2. Step 2: Convert to fraction form
    159,427,245.80/239,140,868.70 = 120,880,058.60/x
  3. Step 3: Cross multiply
    159,427,245.80x = 239,140,868.70 × 120,880,058.60
  4. Step 4: Simplify right side
    159,427,245.80x = 28,907,362,222,110,904
  5. Step 5: Solve for x
    x = 28,907,362,222,110,904/159,427,245.80
  6. Step 6: Final answer
    x = 181,320,087.90

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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.