Home / 289,383,960.40-434,075,940.60-97,907,736.40

Finding the Fourth Proportional to 289,383,960.40, 434,075,940.60 and 97,907,736.40

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Solution

The fourth proportional to 289,383,960.40, 434,075,940.60 and 97,907,736.40 is: 146,861,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,383,960.40 : 434,075,940.60 = 97,907,736.40 : x
  2. Step 2: Convert to fraction form
    289,383,960.40/434,075,940.60 = 97,907,736.40/x
  3. Step 3: Cross multiply
    289,383,960.40x = 434,075,940.60 × 97,907,736.40
  4. Step 4: Simplify right side
    289,383,960.40x = 42,499,392,769,846,864
  5. Step 5: Solve for x
    x = 42,499,392,769,846,864/289,383,960.40
  6. Step 6: Final answer
    x = 146,861,604.60

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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.