Home / 415,079,058.12-622,619,769.12-119,998,199.60

Finding the Fourth Proportional to 415,079,058.12, 622,619,769.12 and 119,998,199.60

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Solution

The fourth proportional to 415,079,058.12, 622,619,769.12 and 119,998,199.60 is: 179,997,641.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,079,058.12 : 622,619,769.12 = 119,998,199.60 : x
  2. Step 2: Convert to fraction form
    415,079,058.12/622,619,769.12 = 119,998,199.60/x
  3. Step 3: Cross multiply
    415,079,058.12x = 622,619,769.12 × 119,998,199.60
  4. Step 4: Simplify right side
    415,079,058.12x = 74,713,251,327,368,896
  5. Step 5: Solve for x
    x = 74,713,251,327,368,896/415,079,058.12
  6. Step 6: Final answer
    x = 179,997,641.09

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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.