Home / 79,826,115,696.13-110,152,504,189.96-47,705,082,979.33

Finding the Fourth Proportional to 79,826,115,696.13, 110,152,504,189.96 and 47,705,082,979.33

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Solution

The fourth proportional to 79,826,115,696.13, 110,152,504,189.96 and 47,705,082,979.33 is: 65,828,511,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,826,115,696.13 : 110,152,504,189.96 = 47,705,082,979.33 : x
  2. Step 2: Convert to fraction form
    79,826,115,696.13/110,152,504,189.96 = 47,705,082,979.33/x
  3. Step 3: Cross multiply
    79,826,115,696.13x = 110,152,504,189.96 × 47,705,082,979.33
  4. Step 4: Simplify right side
    79,826,115,696.13x = 5,254,834,352,763,037,548,544
  5. Step 5: Solve for x
    x = 5,254,834,352,763,037,548,544/79,826,115,696.13
  6. Step 6: Final answer
    x = 65,828,511,220.14

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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.