Home / 321,801,769.34-482,707,082.68-91,770,878.60

Finding the Fourth Proportional to 321,801,769.34, 482,707,082.68 and 91,770,878.60

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Solution

The fourth proportional to 321,801,769.34, 482,707,082.68 and 91,770,878.60 is: 137,657,580.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,801,769.34 : 482,707,082.68 = 91,770,878.60 : x
  2. Step 2: Convert to fraction form
    321,801,769.34/482,707,082.68 = 91,770,878.60/x
  3. Step 3: Cross multiply
    321,801,769.34x = 482,707,082.68 × 91,770,878.60
  4. Step 4: Simplify right side
    321,801,769.34x = 44,298,453,083,986,440
  5. Step 5: Solve for x
    x = 44,298,453,083,986,440/321,801,769.34
  6. Step 6: Final answer
    x = 137,657,580.86

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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.