Home / 321,801,768.34-482,707,081.18-91,770,877.60

Finding the Fourth Proportional to 321,801,768.34, 482,707,081.18 and 91,770,877.60

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Solution

The fourth proportional to 321,801,768.34, 482,707,081.18 and 91,770,877.60 is: 137,657,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,801,768.34 : 482,707,081.18 = 91,770,877.60 : x
  2. Step 2: Convert to fraction form
    321,801,768.34/482,707,081.18 = 91,770,877.60/x
  3. Step 3: Cross multiply
    321,801,768.34x = 482,707,081.18 × 91,770,877.60
  4. Step 4: Simplify right side
    321,801,768.34x = 44,298,452,462,531,904
  5. Step 5: Solve for x
    x = 44,298,452,462,531,904/321,801,768.34
  6. Step 6: Final answer
    x = 137,657,579.36

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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.