Home / 126,052,548.67-173,952,167.56-70,298,021.62

Finding the Fourth Proportional to 126,052,548.67, 173,952,167.56 and 70,298,021.62

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Solution

The fourth proportional to 126,052,548.67, 173,952,167.56 and 70,298,021.62 is: 97,011,074.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,052,548.67 : 173,952,167.56 = 70,298,021.62 : x
  2. Step 2: Convert to fraction form
    126,052,548.67/173,952,167.56 = 70,298,021.62/x
  3. Step 3: Cross multiply
    126,052,548.67x = 173,952,167.56 × 70,298,021.62
  4. Step 4: Simplify right side
    126,052,548.67x = 12,228,493,235,978,744
  5. Step 5: Solve for x
    x = 12,228,493,235,978,744/126,052,548.67
  6. Step 6: Final answer
    x = 97,011,074.87

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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.