Home / 81,488,705.88-122,245,211.38-26,907,056.76

Finding the Fourth Proportional to 81,488,705.88, 122,245,211.38 and 26,907,056.76

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Solution

The fourth proportional to 81,488,705.88, 122,245,211.38 and 26,907,056.76 is: 40,364,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,488,705.88 : 122,245,211.38 = 26,907,056.76 : x
  2. Step 2: Convert to fraction form
    81,488,705.88/122,245,211.38 = 26,907,056.76/x
  3. Step 3: Cross multiply
    81,488,705.88x = 122,245,211.38 × 26,907,056.76
  4. Step 4: Simplify right side
    81,488,705.88x = 3,289,258,841,239,858
  5. Step 5: Solve for x
    x = 3,289,258,841,239,858/81,488,705.88
  6. Step 6: Final answer
    x = 40,364,597.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.