Home / 198,976,160.40-274,587,670.08-115,360,540.80

Finding the Fourth Proportional to 198,976,160.40, 274,587,670.08 and 115,360,540.80

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Solution

The fourth proportional to 198,976,160.40, 274,587,670.08 and 115,360,540.80 is: 159,197,876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,976,160.40 : 274,587,670.08 = 115,360,540.80 : x
  2. Step 2: Convert to fraction form
    198,976,160.40/274,587,670.08 = 115,360,540.80/x
  3. Step 3: Cross multiply
    198,976,160.40x = 274,587,670.08 × 115,360,540.80
  4. Step 4: Simplify right side
    198,976,160.40x = 31,676,582,117,440,776
  5. Step 5: Solve for x
    x = 31,676,582,117,440,776/198,976,160.40
  6. Step 6: Final answer
    x = 159,197,876.04

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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.