Home / 290,254,066.56-400,559,785.92-158,099,034.24

Finding the Fourth Proportional to 290,254,066.56, 400,559,785.92 and 158,099,034.24

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Solution

The fourth proportional to 290,254,066.56, 400,559,785.92 and 158,099,034.24 is: 218,181,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,254,066.56 : 400,559,785.92 = 158,099,034.24 : x
  2. Step 2: Convert to fraction form
    290,254,066.56/400,559,785.92 = 158,099,034.24/x
  3. Step 3: Cross multiply
    290,254,066.56x = 400,559,785.92 × 158,099,034.24
  4. Step 4: Simplify right side
    290,254,066.56x = 63,328,115,309,333,160
  5. Step 5: Solve for x
    x = 63,328,115,309,333,160/290,254,066.56
  6. Step 6: Final answer
    x = 218,181,664.29

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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.