Home / 141,218,991.54-194,935,072.65-106,038,425.40

Finding the Fourth Proportional to 141,218,991.54, 194,935,072.65 and 106,038,425.40

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Solution

The fourth proportional to 141,218,991.54, 194,935,072.65 and 106,038,425.40 is: 146,372,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,218,991.54 : 194,935,072.65 = 106,038,425.40 : x
  2. Step 2: Convert to fraction form
    141,218,991.54/194,935,072.65 = 106,038,425.40/x
  3. Step 3: Cross multiply
    141,218,991.54x = 194,935,072.65 × 106,038,425.40
  4. Step 4: Simplify right side
    141,218,991.54x = 20,670,608,159,040,608
  5. Step 5: Solve for x
    x = 20,670,608,159,040,608/141,218,991.54
  6. Step 6: Final answer
    x = 146,372,721.78

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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.