Home / 404,190,905.20-606,286,357.80-145,414,567.60

Finding the Fourth Proportional to 404,190,905.20, 606,286,357.80 and 145,414,567.60

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Solution

The fourth proportional to 404,190,905.20, 606,286,357.80 and 145,414,567.60 is: 218,121,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,190,905.20 : 606,286,357.80 = 145,414,567.60 : x
  2. Step 2: Convert to fraction form
    404,190,905.20/606,286,357.80 = 145,414,567.60/x
  3. Step 3: Cross multiply
    404,190,905.20x = 606,286,357.80 × 145,414,567.60
  4. Step 4: Simplify right side
    404,190,905.20x = 88,162,868,561,265,872
  5. Step 5: Solve for x
    x = 88,162,868,561,265,872/404,190,905.20
  6. Step 6: Final answer
    x = 218,121,851.40

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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.