Home / 72,504,055,847.03-100,051,088,821.78-39,949,447,705.24

Finding the Fourth Proportional to 72,504,055,847.03, 100,051,088,821.78 and 39,949,447,705.24

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Solution

The fourth proportional to 72,504,055,847.03, 100,051,088,821.78 and 39,949,447,705.24 is: 55,127,753,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,504,055,847.03 : 100,051,088,821.78 = 39,949,447,705.24 : x
  2. Step 2: Convert to fraction form
    72,504,055,847.03/100,051,088,821.78 = 39,949,447,705.24/x
  3. Step 3: Cross multiply
    72,504,055,847.03x = 100,051,088,821.78 × 39,949,447,705.24
  4. Step 4: Simplify right side
    72,504,055,847.03x = 3,996,985,740,738,022,080,512
  5. Step 5: Solve for x
    x = 3,996,985,740,738,022,080,512/72,504,055,847.03
  6. Step 6: Final answer
    x = 55,127,753,806.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.