Home / 331,910,419.60-497,865,629.40-140,409,312.40

Finding the Fourth Proportional to 331,910,419.60, 497,865,629.40 and 140,409,312.40

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Solution

The fourth proportional to 331,910,419.60, 497,865,629.40 and 140,409,312.40 is: 210,613,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,910,419.60 : 497,865,629.40 = 140,409,312.40 : x
  2. Step 2: Convert to fraction form
    331,910,419.60/497,865,629.40 = 140,409,312.40/x
  3. Step 3: Cross multiply
    331,910,419.60x = 497,865,629.40 × 140,409,312.40
  4. Step 4: Simplify right side
    331,910,419.60x = 69,904,970,691,647,224
  5. Step 5: Solve for x
    x = 69,904,970,691,647,224/331,910,419.60
  6. Step 6: Final answer
    x = 210,613,968.60

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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.