Home / 72,005,612.94-108,014,982.12-23,471,009.10

Finding the Fourth Proportional to 72,005,612.94, 108,014,982.12 and 23,471,009.10

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Solution

The fourth proportional to 72,005,612.94, 108,014,982.12 and 23,471,009.10 is: 35,208,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,005,612.94 : 108,014,982.12 = 23,471,009.10 : x
  2. Step 2: Convert to fraction form
    72,005,612.94/108,014,982.12 = 23,471,009.10/x
  3. Step 3: Cross multiply
    72,005,612.94x = 108,014,982.12 × 23,471,009.10
  4. Step 4: Simplify right side
    72,005,612.94x = 2,535,220,628,274,857.50
  5. Step 5: Solve for x
    x = 2,535,220,628,274,857.50/72,005,612.94
  6. Step 6: Final answer
    x = 35,208,652.84

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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.