Home / 342,645,933.60-512,919,140.40-188,821,101.60

Finding the Fourth Proportional to 342,645,933.60, 512,919,140.40 and 188,821,101.60

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Solution

The fourth proportional to 342,645,933.60, 512,919,140.40 and 188,821,101.60 is: 282,653,163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,645,933.60 : 512,919,140.40 = 188,821,101.60 : x
  2. Step 2: Convert to fraction form
    342,645,933.60/512,919,140.40 = 188,821,101.60/x
  3. Step 3: Cross multiply
    342,645,933.60x = 512,919,140.40 × 188,821,101.60
  4. Step 4: Simplify right side
    342,645,933.60x = 96,849,957,122,053,056
  5. Step 5: Solve for x
    x = 96,849,957,122,053,056/342,645,933.60
  6. Step 6: Final answer
    x = 282,653,163.59

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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.