Home / 165,786,403.70-248,679,605.55-155,700,413.30

Finding the Fourth Proportional to 165,786,403.70, 248,679,605.55 and 155,700,413.30

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Solution

The fourth proportional to 165,786,403.70, 248,679,605.55 and 155,700,413.30 is: 233,550,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,786,403.70 : 248,679,605.55 = 155,700,413.30 : x
  2. Step 2: Convert to fraction form
    165,786,403.70/248,679,605.55 = 155,700,413.30/x
  3. Step 3: Cross multiply
    165,786,403.70x = 248,679,605.55 × 155,700,413.30
  4. Step 4: Simplify right side
    165,786,403.70x = 38,719,517,363,415,976
  5. Step 5: Solve for x
    x = 38,719,517,363,415,976/165,786,403.70
  6. Step 6: Final answer
    x = 233,550,619.95

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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.