Home / 131,888,054,318.36-197,332,848,201.01-78,134,040,463.50

Finding the Fourth Proportional to 131,888,054,318.36, 197,332,848,201.01 and 78,134,040,463.50

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Solution

The fourth proportional to 131,888,054,318.36, 197,332,848,201.01 and 78,134,040,463.50 is: 116,905,301,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,888,054,318.36 : 197,332,848,201.01 = 78,134,040,463.50 : x
  2. Step 2: Convert to fraction form
    131,888,054,318.36/197,332,848,201.01 = 78,134,040,463.50/x
  3. Step 3: Cross multiply
    131,888,054,318.36x = 197,332,848,201.01 × 78,134,040,463.50
  4. Step 4: Simplify right side
    131,888,054,318.36x = 15,418,412,746,115,418,947,584
  5. Step 5: Solve for x
    x = 15,418,412,746,115,418,947,584/131,888,054,318.36
  6. Step 6: Final answer
    x = 116,905,301,437.67

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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.