Home / 121,194,799,181.20-181,792,198,771.80-112,929,828,749.20

Finding the Fourth Proportional to 121,194,799,181.20, 181,792,198,771.80 and 112,929,828,749.20

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Solution

The fourth proportional to 121,194,799,181.20, 181,792,198,771.80 and 112,929,828,749.20 is: 169,394,743,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,194,799,181.20 : 181,792,198,771.80 = 112,929,828,749.20 : x
  2. Step 2: Convert to fraction form
    121,194,799,181.20/181,792,198,771.80 = 112,929,828,749.20/x
  3. Step 3: Cross multiply
    121,194,799,181.20x = 181,792,198,771.80 × 112,929,828,749.20
  4. Step 4: Simplify right side
    121,194,799,181.20x = 20,529,761,875,239,899,234,304
  5. Step 5: Solve for x
    x = 20,529,761,875,239,899,234,304/121,194,799,181.20
  6. Step 6: Final answer
    x = 169,394,743,123.80

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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.