Home / 218,580,219.44-301,640,996.76-125,758,865.60

Finding the Fourth Proportional to 218,580,219.44, 301,640,996.76 and 125,758,865.60

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Solution

The fourth proportional to 218,580,219.44, 301,640,996.76 and 125,758,865.60 is: 173,547,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,580,219.44 : 301,640,996.76 = 125,758,865.60 : x
  2. Step 2: Convert to fraction form
    218,580,219.44/301,640,996.76 = 125,758,865.60/x
  3. Step 3: Cross multiply
    218,580,219.44x = 301,640,996.76 × 125,758,865.60
  4. Step 4: Simplify right side
    218,580,219.44x = 37,934,029,570,990,872
  5. Step 5: Solve for x
    x = 37,934,029,570,990,872/218,580,219.44
  6. Step 6: Final answer
    x = 173,547,403.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.