Home / 126,530,525.04-189,579,148.20-69,063,137.52

Finding the Fourth Proportional to 126,530,525.04, 189,579,148.20 and 69,063,137.52

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Solution

The fourth proportional to 126,530,525.04, 189,579,148.20 and 69,063,137.52 is: 103,476,459.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,530,525.04 : 189,579,148.20 = 69,063,137.52 : x
  2. Step 2: Convert to fraction form
    126,530,525.04/189,579,148.20 = 69,063,137.52/x
  3. Step 3: Cross multiply
    126,530,525.04x = 189,579,148.20 × 69,063,137.52
  4. Step 4: Simplify right side
    126,530,525.04x = 13,092,930,783,061,058
  5. Step 5: Solve for x
    x = 13,092,930,783,061,058/126,530,525.04
  6. Step 6: Final answer
    x = 103,476,459.76

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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.