Home / 290,548,535.07-400,953,664.86-158,386,616.04

Finding the Fourth Proportional to 290,548,535.07, 400,953,664.86 and 158,386,616.04

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Solution

The fourth proportional to 290,548,535.07, 400,953,664.86 and 158,386,616.04 is: 218,571,723.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,548,535.07 : 400,953,664.86 = 158,386,616.04 : x
  2. Step 2: Convert to fraction form
    290,548,535.07/400,953,664.86 = 158,386,616.04/x
  3. Step 3: Cross multiply
    290,548,535.07x = 400,953,664.86 × 158,386,616.04
  4. Step 4: Simplify right side
    290,548,535.07x = 63,505,694,165,558,056
  5. Step 5: Solve for x
    x = 63,505,694,165,558,056/290,548,535.07
  6. Step 6: Final answer
    x = 218,571,723.83

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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.