Home / 127,695,038.30-191,542,559.96-30,650,745.88

Finding the Fourth Proportional to 127,695,038.30, 191,542,559.96 and 30,650,745.88

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Solution

The fourth proportional to 127,695,038.30, 191,542,559.96 and 30,650,745.88 is: 45,976,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,695,038.30 : 191,542,559.96 = 30,650,745.88 : x
  2. Step 2: Convert to fraction form
    127,695,038.30/191,542,559.96 = 30,650,745.88/x
  3. Step 3: Cross multiply
    127,695,038.30x = 191,542,559.96 × 30,650,745.88
  4. Step 4: Simplify right side
    127,695,038.30x = 5,870,922,329,906,513
  5. Step 5: Solve for x
    x = 5,870,922,329,906,513/127,695,038.30
  6. Step 6: Final answer
    x = 45,976,119.42

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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.