Home / 72,504,055,846.96-100,051,088,821.69-39,949,447,705.18

Finding the Fourth Proportional to 72,504,055,846.96, 100,051,088,821.69 and 39,949,447,705.18

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Solution

The fourth proportional to 72,504,055,846.96, 100,051,088,821.69 and 39,949,447,705.18 is: 55,127,753,806.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,504,055,846.96 : 100,051,088,821.69 = 39,949,447,705.18 : x
  2. Step 2: Convert to fraction form
    72,504,055,846.96/100,051,088,821.69 = 39,949,447,705.18/x
  3. Step 3: Cross multiply
    72,504,055,846.96x = 100,051,088,821.69 × 39,949,447,705.18
  4. Step 4: Simplify right side
    72,504,055,846.96x = 3,996,985,740,728,423,940,096
  5. Step 5: Solve for x
    x = 3,996,985,740,728,423,940,096/72,504,055,846.96
  6. Step 6: Final answer
    x = 55,127,753,806.84

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Double scale
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1.5x scale

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.