Home / 290,899,104.66-401,449,282.38-158,748,616.35

Finding the Fourth Proportional to 290,899,104.66, 401,449,282.38 and 158,748,616.35

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Solution

The fourth proportional to 290,899,104.66, 401,449,282.38 and 158,748,616.35 is: 219,077,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,899,104.66 : 401,449,282.38 = 158,748,616.35 : x
  2. Step 2: Convert to fraction form
    290,899,104.66/401,449,282.38 = 158,748,616.35/x
  3. Step 3: Cross multiply
    290,899,104.66x = 401,449,282.38 × 158,748,616.35
  4. Step 4: Simplify right side
    290,899,104.66x = 63,729,518,112,525,432
  5. Step 5: Solve for x
    x = 63,729,518,112,525,432/290,899,104.66
  6. Step 6: Final answer
    x = 219,077,738.95

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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.