Home / 72,504,055,845.96-100,051,088,820.31-39,949,447,704.18

Finding the Fourth Proportional to 72,504,055,845.96, 100,051,088,820.31 and 39,949,447,704.18

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Solution

The fourth proportional to 72,504,055,845.96, 100,051,088,820.31 and 39,949,447,704.18 is: 55,127,753,805.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,504,055,845.96 : 100,051,088,820.31 = 39,949,447,704.18 : x
  2. Step 2: Convert to fraction form
    72,504,055,845.96/100,051,088,820.31 = 39,949,447,704.18/x
  3. Step 3: Cross multiply
    72,504,055,845.96x = 100,051,088,820.31 × 39,949,447,704.18
  4. Step 4: Simplify right side
    72,504,055,845.96x = 3,996,985,740,573,242,556,416
  5. Step 5: Solve for x
    x = 3,996,985,740,573,242,556,416/72,504,055,845.96
  6. Step 6: Final answer
    x = 55,127,753,805.46

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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.