Home / 151,954,207.82-209,673,617.25-85,850,586.88

Finding the Fourth Proportional to 151,954,207.82, 209,673,617.25 and 85,850,586.88

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Solution

The fourth proportional to 151,954,207.82, 209,673,617.25 and 85,850,586.88 is: 118,460,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,954,207.82 : 209,673,617.25 = 85,850,586.88 : x
  2. Step 2: Convert to fraction form
    151,954,207.82/209,673,617.25 = 85,850,586.88/x
  3. Step 3: Cross multiply
    151,954,207.82x = 209,673,617.25 × 85,850,586.88
  4. Step 4: Simplify right side
    151,954,207.82x = 18,000,603,093,962,746
  5. Step 5: Solve for x
    x = 18,000,603,093,962,746/151,954,207.82
  6. Step 6: Final answer
    x = 118,460,708.34

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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.