Home / 158,511,372.38-237,842,196.60-76,584,325.76

Finding the Fourth Proportional to 158,511,372.38, 237,842,196.60 and 76,584,325.76

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Solution

The fourth proportional to 158,511,372.38, 237,842,196.60 and 76,584,325.76 is: 114,912,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,511,372.38 : 237,842,196.60 = 76,584,325.76 : x
  2. Step 2: Convert to fraction form
    158,511,372.38/237,842,196.60 = 76,584,325.76/x
  3. Step 3: Cross multiply
    158,511,372.38x = 237,842,196.60 × 76,584,325.76
  4. Step 4: Simplify right side
    158,511,372.38x = 18,214,984,263,888,364
  5. Step 5: Solve for x
    x = 18,214,984,263,888,364/158,511,372.38
  6. Step 6: Final answer
    x = 114,912,791.37

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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.