Home / 290,799,323.44-401,248,181.76-173,335,583.51

Finding the Fourth Proportional to 290,799,323.44, 401,248,181.76 and 173,335,583.51

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Solution

The fourth proportional to 290,799,323.44, 401,248,181.76 and 173,335,583.51 is: 239,170,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,799,323.44 : 401,248,181.76 = 173,335,583.51 : x
  2. Step 2: Convert to fraction form
    290,799,323.44/401,248,181.76 = 173,335,583.51/x
  3. Step 3: Cross multiply
    290,799,323.44x = 401,248,181.76 × 173,335,583.51
  4. Step 4: Simplify right side
    290,799,323.44x = 69,550,587,716,544,568
  5. Step 5: Solve for x
    x = 69,550,587,716,544,568/290,799,323.44
  6. Step 6: Final answer
    x = 239,170,390.41

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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.