Home / 172,871,212.10-259,307,261.01-70,635,249.72

Finding the Fourth Proportional to 172,871,212.10, 259,307,261.01 and 70,635,249.72

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Solution

The fourth proportional to 172,871,212.10, 259,307,261.01 and 70,635,249.72 is: 105,953,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,871,212.10 : 259,307,261.01 = 70,635,249.72 : x
  2. Step 2: Convert to fraction form
    172,871,212.10/259,307,261.01 = 70,635,249.72/x
  3. Step 3: Cross multiply
    172,871,212.10x = 259,307,261.01 × 70,635,249.72
  4. Step 4: Simplify right side
    172,871,212.10x = 18,316,233,135,650,568
  5. Step 5: Solve for x
    x = 18,316,233,135,650,568/172,871,212.10
  6. Step 6: Final answer
    x = 105,953,055.54

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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.