Home / 342,187,771.20-512,903,743.20-188,943,806.40

Finding the Fourth Proportional to 342,187,771.20, 512,903,743.20 and 188,943,806.40

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Solution

The fourth proportional to 342,187,771.20, 512,903,743.20 and 188,943,806.40 is: 283,207,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,187,771.20 : 512,903,743.20 = 188,943,806.40 : x
  2. Step 2: Convert to fraction form
    342,187,771.20/512,903,743.20 = 188,943,806.40/x
  3. Step 3: Cross multiply
    342,187,771.20x = 512,903,743.20 × 188,943,806.40
  4. Step 4: Simplify right side
    342,187,771.20x = 96,909,985,557,016,112
  5. Step 5: Solve for x
    x = 96,909,985,557,016,112/342,187,771.20
  6. Step 6: Final answer
    x = 283,207,039.27

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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.