Home / 72,215,951.06-108,320,111.48-23,687,412.50

Finding the Fourth Proportional to 72,215,951.06, 108,320,111.48 and 23,687,412.50

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Solution

The fourth proportional to 72,215,951.06, 108,320,111.48 and 23,687,412.50 is: 35,529,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215,951.06 : 108,320,111.48 = 23,687,412.50 : x
  2. Step 2: Convert to fraction form
    72,215,951.06/108,320,111.48 = 23,687,412.50/x
  3. Step 3: Cross multiply
    72,215,951.06x = 108,320,111.48 × 23,687,412.50
  4. Step 4: Simplify right side
    72,215,951.06x = 2,565,823,162,672,745.50
  5. Step 5: Solve for x
    x = 2,565,823,162,672,745.50/72,215,951.06
  6. Step 6: Final answer
    x = 35,529,867.36

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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.