Home / 168,122,707.75-252,256,896.41-90,308,823.60

Finding the Fourth Proportional to 168,122,707.75, 252,256,896.41 and 90,308,823.60

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Solution

The fourth proportional to 168,122,707.75, 252,256,896.41 and 90,308,823.60 is: 135,502,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,122,707.75 : 252,256,896.41 = 90,308,823.60 : x
  2. Step 2: Convert to fraction form
    168,122,707.75/252,256,896.41 = 90,308,823.60/x
  3. Step 3: Cross multiply
    168,122,707.75x = 252,256,896.41 × 90,308,823.60
  4. Step 4: Simplify right side
    168,122,707.75x = 22,781,023,559,774,160
  5. Step 5: Solve for x
    x = 22,781,023,559,774,160/168,122,707.75
  6. Step 6: Final answer
    x = 135,502,359.35

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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.