Home / 209,953,806.20-314,930,709.30-133,048,388.60

Finding the Fourth Proportional to 209,953,806.20, 314,930,709.30 and 133,048,388.60

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Solution

The fourth proportional to 209,953,806.20, 314,930,709.30 and 133,048,388.60 is: 199,572,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,806.20 : 314,930,709.30 = 133,048,388.60 : x
  2. Step 2: Convert to fraction form
    209,953,806.20/314,930,709.30 = 133,048,388.60/x
  3. Step 3: Cross multiply
    209,953,806.20x = 314,930,709.30 × 133,048,388.60
  4. Step 4: Simplify right side
    209,953,806.20x = 41,901,023,393,020,032
  5. Step 5: Solve for x
    x = 41,901,023,393,020,032/209,953,806.20
  6. Step 6: Final answer
    x = 199,572,582.90

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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.