Home / 308,005,072.50-425,047,000.05-177,624,880.50

Finding the Fourth Proportional to 308,005,072.50, 425,047,000.05 and 177,624,880.50

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Solution

The fourth proportional to 308,005,072.50, 425,047,000.05 and 177,624,880.50 is: 245,122,335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,005,072.50 : 425,047,000.05 = 177,624,880.50 : x
  2. Step 2: Convert to fraction form
    308,005,072.50/425,047,000.05 = 177,624,880.50/x
  3. Step 3: Cross multiply
    308,005,072.50x = 425,047,000.05 × 177,624,880.50
  4. Step 4: Simplify right side
    308,005,072.50x = 75,498,922,590,764,752
  5. Step 5: Solve for x
    x = 75,498,922,590,764,752/308,005,072.50
  6. Step 6: Final answer
    x = 245,122,335.09

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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.