Home / 189,072,206.12-260,919,391.92-102,152,078.12

Finding the Fourth Proportional to 189,072,206.12, 260,919,391.92 and 102,152,078.12

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Solution

The fourth proportional to 189,072,206.12, 260,919,391.92 and 102,152,078.12 is: 140,969,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,072,206.12 : 260,919,391.92 = 102,152,078.12 : x
  2. Step 2: Convert to fraction form
    189,072,206.12/260,919,391.92 = 102,152,078.12/x
  3. Step 3: Cross multiply
    189,072,206.12x = 260,919,391.92 × 102,152,078.12
  4. Step 4: Simplify right side
    189,072,206.12x = 26,653,458,106,434,736
  5. Step 5: Solve for x
    x = 26,653,458,106,434,736/189,072,206.12
  6. Step 6: Final answer
    x = 140,969,731.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.