Home / 168,312,194.80-252,255,715.80-81,864,458.80

Finding the Fourth Proportional to 168,312,194.80, 252,255,715.80 and 81,864,458.80

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Solution

The fourth proportional to 168,312,194.80, 252,255,715.80 and 81,864,458.80 is: 122,693,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,312,194.80 : 252,255,715.80 = 81,864,458.80 : x
  2. Step 2: Convert to fraction form
    168,312,194.80/252,255,715.80 = 81,864,458.80/x
  3. Step 3: Cross multiply
    168,312,194.80x = 252,255,715.80 × 81,864,458.80
  4. Step 4: Simplify right side
    168,312,194.80x = 20,650,777,653,173,608
  5. Step 5: Solve for x
    x = 20,650,777,653,173,608/168,312,194.80
  6. Step 6: Final answer
    x = 122,693,294.31

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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.