Home / 268,142,679.95-402,211,449.88-158,889,206.75

Finding the Fourth Proportional to 268,142,679.95, 402,211,449.88 and 158,889,206.75

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Solution

The fourth proportional to 268,142,679.95, 402,211,449.88 and 158,889,206.75 is: 238,332,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,142,679.95 : 402,211,449.88 = 158,889,206.75 : x
  2. Step 2: Convert to fraction form
    268,142,679.95/402,211,449.88 = 158,889,206.75/x
  3. Step 3: Cross multiply
    268,142,679.95x = 402,211,449.88 × 158,889,206.75
  4. Step 4: Simplify right side
    268,142,679.95x = 63,907,058,214,792,304
  5. Step 5: Solve for x
    x = 63,907,058,214,792,304/268,142,679.95
  6. Step 6: Final answer
    x = 238,332,287.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.