Home / 168,434,573.40-252,651,860.10-53,428,116.60

Finding the Fourth Proportional to 168,434,573.40, 252,651,860.10 and 53,428,116.60

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Solution

The fourth proportional to 168,434,573.40, 252,651,860.10 and 53,428,116.60 is: 80,142,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,434,573.40 : 252,651,860.10 = 53,428,116.60 : x
  2. Step 2: Convert to fraction form
    168,434,573.40/252,651,860.10 = 53,428,116.60/x
  3. Step 3: Cross multiply
    168,434,573.40x = 252,651,860.10 × 53,428,116.60
  4. Step 4: Simplify right side
    168,434,573.40x = 13,498,713,040,629,688
  5. Step 5: Solve for x
    x = 13,498,713,040,629,688/168,434,573.40
  6. Step 6: Final answer
    x = 80,142,174.90

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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.