Home / 121,194,799,205.45-181,792,198,808.17-112,929,828,773.45

Finding the Fourth Proportional to 121,194,799,205.45, 181,792,198,808.17 and 112,929,828,773.45

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Solution

The fourth proportional to 121,194,799,205.45, 181,792,198,808.17 and 112,929,828,773.45 is: 169,394,743,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,194,799,205.45 : 181,792,198,808.17 = 112,929,828,773.45 : x
  2. Step 2: Convert to fraction form
    121,194,799,205.45/181,792,198,808.17 = 112,929,828,773.45/x
  3. Step 3: Cross multiply
    121,194,799,205.45x = 181,792,198,808.17 × 112,929,828,773.45
  4. Step 4: Simplify right side
    121,194,799,205.45x = 20,529,761,883,755,619,811,328
  5. Step 5: Solve for x
    x = 20,529,761,883,755,619,811,328/121,194,799,205.45
  6. Step 6: Final answer
    x = 169,394,743,160.17

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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.