Home / 218,444,374.56-301,447,481.04-120,657,131.04

Finding the Fourth Proportional to 218,444,374.56, 301,447,481.04 and 120,657,131.04

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Solution

The fourth proportional to 218,444,374.56, 301,447,481.04 and 120,657,131.04 is: 166,503,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,444,374.56 : 301,447,481.04 = 120,657,131.04 : x
  2. Step 2: Convert to fraction form
    218,444,374.56/301,447,481.04 = 120,657,131.04/x
  3. Step 3: Cross multiply
    218,444,374.56x = 301,447,481.04 × 120,657,131.04
  4. Step 4: Simplify right side
    218,444,374.56x = 36,371,788,221,521,200
  5. Step 5: Solve for x
    x = 36,371,788,221,521,200/218,444,374.56
  6. Step 6: Final answer
    x = 166,503,661.61

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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.