Home / 290,174,255.70-434,694,513.15-174,816,129.30

Finding the Fourth Proportional to 290,174,255.70, 434,694,513.15 and 174,816,129.30

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Solution

The fourth proportional to 290,174,255.70, 434,694,513.15 and 174,816,129.30 is: 261,882,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,174,255.70 : 434,694,513.15 = 174,816,129.30 : x
  2. Step 2: Convert to fraction form
    290,174,255.70/434,694,513.15 = 174,816,129.30/x
  3. Step 3: Cross multiply
    290,174,255.70x = 434,694,513.15 × 174,816,129.30
  4. Step 4: Simplify right side
    290,174,255.70x = 75,991,612,216,830,944
  5. Step 5: Solve for x
    x = 75,991,612,216,830,944/290,174,255.70
  6. Step 6: Final answer
    x = 261,882,681.61

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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.