Home / 218,328,087.98-301,296,955.12-119,212,765.22

Finding the Fourth Proportional to 218,328,087.98, 301,296,955.12 and 119,212,765.22

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Solution

The fourth proportional to 218,328,087.98, 301,296,955.12 and 119,212,765.22 is: 164,515,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,328,087.98 : 301,296,955.12 = 119,212,765.22 : x
  2. Step 2: Convert to fraction form
    218,328,087.98/301,296,955.12 = 119,212,765.22/x
  3. Step 3: Cross multiply
    218,328,087.98x = 301,296,955.12 × 119,212,765.22
  4. Step 4: Simplify right side
    218,328,087.98x = 35,918,443,170,416,924
  5. Step 5: Solve for x
    x = 35,918,443,170,416,924/218,328,087.98
  6. Step 6: Final answer
    x = 164,515,905.87

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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.