Home / 209,765,452.68-314,038,346.22-122,059,670.04

Finding the Fourth Proportional to 209,765,452.68, 314,038,346.22 and 122,059,670.04

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Solution

The fourth proportional to 209,765,452.68, 314,038,346.22 and 122,059,670.04 is: 182,734,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,765,452.68 : 314,038,346.22 = 122,059,670.04 : x
  2. Step 2: Convert to fraction form
    209,765,452.68/314,038,346.22 = 122,059,670.04/x
  3. Step 3: Cross multiply
    209,765,452.68x = 314,038,346.22 × 122,059,670.04
  4. Step 4: Simplify right side
    209,765,452.68x = 38,331,416,919,520,488
  5. Step 5: Solve for x
    x = 38,331,416,919,520,488/209,765,452.68
  6. Step 6: Final answer
    x = 182,734,651.63

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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.