Home / 210,659,934.09-290,769,131.25-122,570,945.73

Finding the Fourth Proportional to 210,659,934.09, 290,769,131.25 and 122,570,945.73

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Solution

The fourth proportional to 210,659,934.09, 290,769,131.25 and 122,570,945.73 is: 169,181,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,659,934.09 : 290,769,131.25 = 122,570,945.73 : x
  2. Step 2: Convert to fraction form
    210,659,934.09/290,769,131.25 = 122,570,945.73/x
  3. Step 3: Cross multiply
    210,659,934.09x = 290,769,131.25 × 122,570,945.73
  4. Step 4: Simplify right side
    210,659,934.09x = 35,639,847,406,403,000
  5. Step 5: Solve for x
    x = 35,639,847,406,403,000/210,659,934.09
  6. Step 6: Final answer
    x = 169,181,897.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.