Home / 72,215,949.06-108,320,108.49-23,687,410.50

Finding the Fourth Proportional to 72,215,949.06, 108,320,108.49 and 23,687,410.50

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Solution

The fourth proportional to 72,215,949.06, 108,320,108.49 and 23,687,410.50 is: 35,529,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215,949.06 : 108,320,108.49 = 23,687,410.50 : x
  2. Step 2: Convert to fraction form
    72,215,949.06/108,320,108.49 = 23,687,410.50/x
  3. Step 3: Cross multiply
    72,215,949.06x = 108,320,108.49 × 23,687,410.50
  4. Step 4: Simplify right side
    72,215,949.06x = 2,565,822,875,207,165
  5. Step 5: Solve for x
    x = 2,565,822,875,207,165/72,215,949.06
  6. Step 6: Final answer
    x = 35,529,864.37

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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.