Home / 305,982,450.91-422,323,935.51-194,451,544.45

Finding the Fourth Proportional to 305,982,450.91, 422,323,935.51 and 194,451,544.45

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Solution

The fourth proportional to 305,982,450.91, 422,323,935.51 and 194,451,544.45 is: 268,386,442.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,982,450.91 : 422,323,935.51 = 194,451,544.45 : x
  2. Step 2: Convert to fraction form
    305,982,450.91/422,323,935.51 = 194,451,544.45/x
  3. Step 3: Cross multiply
    305,982,450.91x = 422,323,935.51 × 194,451,544.45
  4. Step 4: Simplify right side
    305,982,450.91x = 82,121,541,518,121,696
  5. Step 5: Solve for x
    x = 82,121,541,518,121,696/305,982,450.91
  6. Step 6: Final answer
    x = 268,386,442.67

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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.