Home / 55,012,109.01-82,520,904.54-20,936,095.89

Finding the Fourth Proportional to 55,012,109.01, 82,520,904.54 and 20,936,095.89

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Solution

The fourth proportional to 55,012,109.01, 82,520,904.54 and 20,936,095.89 is: 31,405,186.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012,109.01 : 82,520,904.54 = 20,936,095.89 : x
  2. Step 2: Convert to fraction form
    55,012,109.01/82,520,904.54 = 20,936,095.89/x
  3. Step 3: Cross multiply
    55,012,109.01x = 82,520,904.54 × 20,936,095.89
  4. Step 4: Simplify right side
    55,012,109.01x = 1,727,665,570,378,976.50
  5. Step 5: Solve for x
    x = 1,727,665,570,378,976.50/55,012,109.01
  6. Step 6: Final answer
    x = 31,405,186.99

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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.