Home / 290,174,266.70-434,694,529.65-174,816,140.30

Finding the Fourth Proportional to 290,174,266.70, 434,694,529.65 and 174,816,140.30

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Solution

The fourth proportional to 290,174,266.70, 434,694,529.65 and 174,816,140.30 is: 261,882,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,174,266.70 : 434,694,529.65 = 174,816,140.30 : x
  2. Step 2: Convert to fraction form
    290,174,266.70/434,694,529.65 = 174,816,140.30/x
  3. Step 3: Cross multiply
    290,174,266.70x = 434,694,529.65 × 174,816,140.30
  4. Step 4: Simplify right side
    290,174,266.70x = 75,991,619,882,936,912
  5. Step 5: Solve for x
    x = 75,991,619,882,936,912/290,174,266.70
  6. Step 6: Final answer
    x = 261,882,698.10

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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.