Home / 290,940,496.76-401,445,020.98-171,882,473.02

Finding the Fourth Proportional to 290,940,496.76, 401,445,020.98 and 171,882,473.02

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Solution

The fourth proportional to 290,940,496.76, 401,445,020.98 and 171,882,473.02 is: 237,166,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,940,496.76 : 401,445,020.98 = 171,882,473.02 : x
  2. Step 2: Convert to fraction form
    290,940,496.76/401,445,020.98 = 171,882,473.02/x
  3. Step 3: Cross multiply
    290,940,496.76x = 401,445,020.98 × 171,882,473.02
  4. Step 4: Simplify right side
    290,940,496.76x = 69,001,362,986,819,424
  5. Step 5: Solve for x
    x = 69,001,362,986,819,424/290,940,496.76
  6. Step 6: Final answer
    x = 237,166,581.33

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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.