Home / 312,027,316.20-467,705,051.10-117,863,706.60

Finding the Fourth Proportional to 312,027,316.20, 467,705,051.10 and 117,863,706.60

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Solution

The fourth proportional to 312,027,316.20, 467,705,051.10 and 117,863,706.60 is: 176,668,669.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,027,316.20 : 467,705,051.10 = 117,863,706.60 : x
  2. Step 2: Convert to fraction form
    312,027,316.20/467,705,051.10 = 117,863,706.60/x
  3. Step 3: Cross multiply
    312,027,316.20x = 467,705,051.10 × 117,863,706.60
  4. Step 4: Simplify right side
    312,027,316.20x = 55,125,450,918,188,408
  5. Step 5: Solve for x
    x = 55,125,450,918,188,408/312,027,316.20
  6. Step 6: Final answer
    x = 176,668,669.88

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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.