Home / 297,216,244.80-445,824,367.20-78,866,164.80

Finding the Fourth Proportional to 297,216,244.80, 445,824,367.20 and 78,866,164.80

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Solution

The fourth proportional to 297,216,244.80, 445,824,367.20 and 78,866,164.80 is: 118,299,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,216,244.80 : 445,824,367.20 = 78,866,164.80 : x
  2. Step 2: Convert to fraction form
    297,216,244.80/445,824,367.20 = 78,866,164.80/x
  3. Step 3: Cross multiply
    297,216,244.80x = 445,824,367.20 × 78,866,164.80
  4. Step 4: Simplify right side
    297,216,244.80x = 35,160,458,015,450,912
  5. Step 5: Solve for x
    x = 35,160,458,015,450,912/297,216,244.80
  6. Step 6: Final answer
    x = 118,299,247.20

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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.