Home / 291,336,982.29-402,040,279.85-159,175,134.54

Finding the Fourth Proportional to 291,336,982.29, 402,040,279.85 and 159,175,134.54

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Solution

The fourth proportional to 291,336,982.29, 402,040,279.85 and 159,175,134.54 is: 219,659,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,336,982.29 : 402,040,279.85 = 159,175,134.54 : x
  2. Step 2: Convert to fraction form
    291,336,982.29/402,040,279.85 = 159,175,134.54/x
  3. Step 3: Cross multiply
    291,336,982.29x = 402,040,279.85 × 159,175,134.54
  4. Step 4: Simplify right side
    291,336,982.29x = 63,994,815,634,827,128
  5. Step 5: Solve for x
    x = 63,994,815,634,827,128/291,336,982.29
  6. Step 6: Final answer
    x = 219,659,087.33

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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.