Home / 202,036,172.20-303,054,258.30-72,648,003.40

Finding the Fourth Proportional to 202,036,172.20, 303,054,258.30 and 72,648,003.40

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Solution

The fourth proportional to 202,036,172.20, 303,054,258.30 and 72,648,003.40 is: 108,972,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,036,172.20 : 303,054,258.30 = 72,648,003.40 : x
  2. Step 2: Convert to fraction form
    202,036,172.20/303,054,258.30 = 72,648,003.40/x
  3. Step 3: Cross multiply
    202,036,172.20x = 303,054,258.30 × 72,648,003.40
  4. Step 4: Simplify right side
    202,036,172.20x = 22,016,286,787,362,880
  5. Step 5: Solve for x
    x = 22,016,286,787,362,880/202,036,172.20
  6. Step 6: Final answer
    x = 108,972,005.10

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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.