Home / 317,052,015.20-475,578,022.80-144,865,131.20

Finding the Fourth Proportional to 317,052,015.20, 475,578,022.80 and 144,865,131.20

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Solution

The fourth proportional to 317,052,015.20, 475,578,022.80 and 144,865,131.20 is: 217,297,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,052,015.20 : 475,578,022.80 = 144,865,131.20 : x
  2. Step 2: Convert to fraction form
    317,052,015.20/475,578,022.80 = 144,865,131.20/x
  3. Step 3: Cross multiply
    317,052,015.20x = 475,578,022.80 × 144,865,131.20
  4. Step 4: Simplify right side
    317,052,015.20x = 68,894,672,668,758,584
  5. Step 5: Solve for x
    x = 68,894,672,668,758,584/317,052,015.20
  6. Step 6: Final answer
    x = 217,297,696.80

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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.