Home / 197,540,342.80-272,622,413.48-109,461,968.72

Finding the Fourth Proportional to 197,540,342.80, 272,622,413.48 and 109,461,968.72

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Solution

The fourth proportional to 197,540,342.80, 272,622,413.48 and 109,461,968.72 is: 151,066,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,540,342.80 : 272,622,413.48 = 109,461,968.72 : x
  2. Step 2: Convert to fraction form
    197,540,342.80/272,622,413.48 = 109,461,968.72/x
  3. Step 3: Cross multiply
    197,540,342.80x = 272,622,413.48 × 109,461,968.72
  4. Step 4: Simplify right side
    197,540,342.80x = 29,841,786,096,718,668
  5. Step 5: Solve for x
    x = 29,841,786,096,718,668/197,540,342.80
  6. Step 6: Final answer
    x = 151,066,793.11

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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.