Home / 131,259,654,460.41-181,135,961,971.59-74,165,739,133.83

Finding the Fourth Proportional to 131,259,654,460.41, 181,135,961,971.59 and 74,165,739,133.83

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Solution

The fourth proportional to 131,259,654,460.41, 181,135,961,971.59 and 74,165,739,133.83 is: 102,347,385,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,259,654,460.41 : 181,135,961,971.59 = 74,165,739,133.83 : x
  2. Step 2: Convert to fraction form
    131,259,654,460.41/181,135,961,971.59 = 74,165,739,133.83/x
  3. Step 3: Cross multiply
    131,259,654,460.41x = 181,135,961,971.59 × 74,165,739,133.83
  4. Step 4: Simplify right side
    131,259,654,460.41x = 13,434,082,503,340,295,454,720
  5. Step 5: Solve for x
    x = 13,434,082,503,340,295,454,720/131,259,654,460.41
  6. Step 6: Final answer
    x = 102,347,385,863.28

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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.