Home / 165,955,412.20-248,933,118.30-79,861,970.20

Finding the Fourth Proportional to 165,955,412.20, 248,933,118.30 and 79,861,970.20

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Solution

The fourth proportional to 165,955,412.20, 248,933,118.30 and 79,861,970.20 is: 119,792,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,955,412.20 : 248,933,118.30 = 79,861,970.20 : x
  2. Step 2: Convert to fraction form
    165,955,412.20/248,933,118.30 = 79,861,970.20/x
  3. Step 3: Cross multiply
    165,955,412.20x = 248,933,118.30 × 79,861,970.20
  4. Step 4: Simplify right side
    165,955,412.20x = 19,880,289,275,467,676
  5. Step 5: Solve for x
    x = 19,880,289,275,467,676/165,955,412.20
  6. Step 6: Final answer
    x = 119,792,955.30

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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.