Home / 290,279,541.03-400,574,437.91-177,437,951.79

Finding the Fourth Proportional to 290,279,541.03, 400,574,437.91 and 177,437,951.79

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Solution

The fourth proportional to 290,279,541.03, 400,574,437.91 and 177,437,951.79 is: 244,857,448.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,279,541.03 : 400,574,437.91 = 177,437,951.79 : x
  2. Step 2: Convert to fraction form
    290,279,541.03/400,574,437.91 = 177,437,951.79/x
  3. Step 3: Cross multiply
    290,279,541.03x = 400,574,437.91 × 177,437,951.79
  4. Step 4: Simplify right side
    290,279,541.03x = 71,077,107,802,180,928
  5. Step 5: Solve for x
    x = 71,077,107,802,180,928/290,279,541.03
  6. Step 6: Final answer
    x = 244,857,448.62

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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.