Home / 186,159,243.04-279,257,935.20-71,240,440.48

Finding the Fourth Proportional to 186,159,243.04, 279,257,935.20 and 71,240,440.48

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Solution

The fourth proportional to 186,159,243.04, 279,257,935.20 and 71,240,440.48 is: 106,867,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,159,243.04 : 279,257,935.20 = 71,240,440.48 : x
  2. Step 2: Convert to fraction form
    186,159,243.04/279,257,935.20 = 71,240,440.48/x
  3. Step 3: Cross multiply
    186,159,243.04x = 279,257,935.20 × 71,240,440.48
  4. Step 4: Simplify right side
    186,159,243.04x = 19,894,458,311,183,296
  5. Step 5: Solve for x
    x = 19,894,458,311,183,296/186,159,243.04
  6. Step 6: Final answer
    x = 106,867,958.78

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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.