Home / 72,504,055,845.46-100,051,088,819.62-39,949,447,703.68

Finding the Fourth Proportional to 72,504,055,845.46, 100,051,088,819.62 and 39,949,447,703.68

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Solution

The fourth proportional to 72,504,055,845.46, 100,051,088,819.62 and 39,949,447,703.68 is: 55,127,753,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,504,055,845.46 : 100,051,088,819.62 = 39,949,447,703.68 : x
  2. Step 2: Convert to fraction form
    72,504,055,845.46/100,051,088,819.62 = 39,949,447,703.68/x
  3. Step 3: Cross multiply
    72,504,055,845.46x = 100,051,088,819.62 × 39,949,447,703.68
  4. Step 4: Simplify right side
    72,504,055,845.46x = 3,996,985,740,495,351,709,696
  5. Step 5: Solve for x
    x = 3,996,985,740,495,351,709,696/72,504,055,845.46
  6. Step 6: Final answer
    x = 55,127,753,804.76

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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.