Home / 234,840,020.40-352,260,030.60-143,007,015.60

Finding the Fourth Proportional to 234,840,020.40, 352,260,030.60 and 143,007,015.60

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Solution

The fourth proportional to 234,840,020.40, 352,260,030.60 and 143,007,015.60 is: 214,510,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,840,020.40 : 352,260,030.60 = 143,007,015.60 : x
  2. Step 2: Convert to fraction form
    234,840,020.40/352,260,030.60 = 143,007,015.60/x
  3. Step 3: Cross multiply
    234,840,020.40x = 352,260,030.60 × 143,007,015.60
  4. Step 4: Simplify right side
    234,840,020.40x = 50,375,655,691,270,680
  5. Step 5: Solve for x
    x = 50,375,655,691,270,680/234,840,020.40
  6. Step 6: Final answer
    x = 214,510,523.40

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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.