Home / 290,765,032.35-401,258,305.47-158,606,616.62

Finding the Fourth Proportional to 290,765,032.35, 401,258,305.47 and 158,606,616.62

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Solution

The fourth proportional to 290,765,032.35, 401,258,305.47 and 158,606,616.62 is: 218,878,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,765,032.35 : 401,258,305.47 = 158,606,616.62 : x
  2. Step 2: Convert to fraction form
    290,765,032.35/401,258,305.47 = 158,606,616.62/x
  3. Step 3: Cross multiply
    290,765,032.35x = 401,258,305.47 × 158,606,616.62
  4. Step 4: Simplify right side
    290,765,032.35x = 63,642,222,220,400,448
  5. Step 5: Solve for x
    x = 63,642,222,220,400,448/290,765,032.35
  6. Step 6: Final answer
    x = 218,878,527.81

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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.