Home / 282,297,761.40-422,879,771.70-160,987,495.80

Finding the Fourth Proportional to 282,297,761.40, 422,879,771.70 and 160,987,495.80

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Solution

The fourth proportional to 282,297,761.40, 422,879,771.70 and 160,987,495.80 is: 241,157,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,297,761.40 : 422,879,771.70 = 160,987,495.80 : x
  2. Step 2: Convert to fraction form
    282,297,761.40/422,879,771.70 = 160,987,495.80/x
  3. Step 3: Cross multiply
    282,297,761.40x = 422,879,771.70 × 160,987,495.80
  4. Step 4: Simplify right side
    282,297,761.40x = 68,078,355,470,458,712
  5. Step 5: Solve for x
    x = 68,078,355,470,458,712/282,297,761.40
  6. Step 6: Final answer
    x = 241,157,971.40

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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.