Home / 168,502,489.80-252,753,734.70-141,292,710.60

Finding the Fourth Proportional to 168,502,489.80, 252,753,734.70 and 141,292,710.60

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Solution

The fourth proportional to 168,502,489.80, 252,753,734.70 and 141,292,710.60 is: 211,939,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,502,489.80 : 252,753,734.70 = 141,292,710.60 : x
  2. Step 2: Convert to fraction form
    168,502,489.80/252,753,734.70 = 141,292,710.60/x
  3. Step 3: Cross multiply
    168,502,489.80x = 252,753,734.70 × 141,292,710.60
  4. Step 4: Simplify right side
    168,502,489.80x = 35,712,260,290,036,276
  5. Step 5: Solve for x
    x = 35,712,260,290,036,276/168,502,489.80
  6. Step 6: Final answer
    x = 211,939,065.90

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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.