Home / 65,561,664,648.90-98,351,878,049.73-20,186,212,073.97

Finding the Fourth Proportional to 65,561,664,648.90, 98,351,878,049.73 and 20,186,212,073.97

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Solution

The fourth proportional to 65,561,664,648.90, 98,351,878,049.73 and 20,186,212,073.97 is: 30,282,206,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,561,664,648.90 : 98,351,878,049.73 = 20,186,212,073.97 : x
  2. Step 2: Convert to fraction form
    65,561,664,648.90/98,351,878,049.73 = 20,186,212,073.97/x
  3. Step 3: Cross multiply
    65,561,664,648.90x = 98,351,878,049.73 × 20,186,212,073.97
  4. Step 4: Simplify right side
    65,561,664,648.90x = 1,985,351,868,184,984,027,136
  5. Step 5: Solve for x
    x = 1,985,351,868,184,984,027,136/65,561,664,648.90
  6. Step 6: Final answer
    x = 30,282,206,512.25

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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.