Home / 120,889,631.20-181,334,446.80-40,100,101.60

Finding the Fourth Proportional to 120,889,631.20, 181,334,446.80 and 40,100,101.60

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Solution

The fourth proportional to 120,889,631.20, 181,334,446.80 and 40,100,101.60 is: 60,150,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,889,631.20 : 181,334,446.80 = 40,100,101.60 : x
  2. Step 2: Convert to fraction form
    120,889,631.20/181,334,446.80 = 40,100,101.60/x
  3. Step 3: Cross multiply
    120,889,631.20x = 181,334,446.80 × 40,100,101.60
  4. Step 4: Simplify right side
    120,889,631.20x = 7,271,529,740,259,796
  5. Step 5: Solve for x
    x = 7,271,529,740,259,796/120,889,631.20
  6. Step 6: Final answer
    x = 60,150,152.40

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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.