Home / 197,828,413.28-272,687,888.24-155,944,229.28

Finding the Fourth Proportional to 197,828,413.28, 272,687,888.24 and 155,944,229.28

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Solution

The fourth proportional to 197,828,413.28, 272,687,888.24 and 155,944,229.28 is: 214,954,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,828,413.28 : 272,687,888.24 = 155,944,229.28 : x
  2. Step 2: Convert to fraction form
    197,828,413.28/272,687,888.24 = 155,944,229.28/x
  3. Step 3: Cross multiply
    197,828,413.28x = 272,687,888.24 × 155,944,229.28
  4. Step 4: Simplify right side
    197,828,413.28x = 42,524,102,565,577,576
  5. Step 5: Solve for x
    x = 42,524,102,565,577,576/197,828,413.28
  6. Step 6: Final answer
    x = 214,954,474.24

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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.