Home / 173,982,156.61-239,872,495.89-142,504,242.79

Finding the Fourth Proportional to 173,982,156.61, 239,872,495.89 and 142,504,242.79

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Solution

The fourth proportional to 173,982,156.61, 239,872,495.89 and 142,504,242.79 is: 196,473,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,982,156.61 : 239,872,495.89 = 142,504,242.79 : x
  2. Step 2: Convert to fraction form
    173,982,156.61/239,872,495.89 = 142,504,242.79/x
  3. Step 3: Cross multiply
    173,982,156.61x = 239,872,495.89 × 142,504,242.79
  4. Step 4: Simplify right side
    173,982,156.61x = 34,182,848,392,951,832
  5. Step 5: Solve for x
    x = 34,182,848,392,951,832/173,982,156.61
  6. Step 6: Final answer
    x = 196,473,299.67

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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.