Home / 186,846,222.78-257,842,789.79-103,212,553.46

Finding the Fourth Proportional to 186,846,222.78, 257,842,789.79 and 103,212,553.46

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Solution

The fourth proportional to 186,846,222.78, 257,842,789.79 and 103,212,553.46 is: 142,430,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,846,222.78 : 257,842,789.79 = 103,212,553.46 : x
  2. Step 2: Convert to fraction form
    186,846,222.78/257,842,789.79 = 103,212,553.46/x
  3. Step 3: Cross multiply
    186,846,222.78x = 257,842,789.79 × 103,212,553.46
  4. Step 4: Simplify right side
    186,846,222.78x = 26,612,612,723,670,640
  5. Step 5: Solve for x
    x = 26,612,612,723,670,640/186,846,222.78
  6. Step 6: Final answer
    x = 142,430,563.10

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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.