Home / 116,643,413.75-160,972,798.10-67,083,821.06

Finding the Fourth Proportional to 116,643,413.75, 160,972,798.10 and 67,083,821.06

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Solution

The fourth proportional to 116,643,413.75, 160,972,798.10 and 67,083,821.06 is: 92,578,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,643,413.75 : 160,972,798.10 = 67,083,821.06 : x
  2. Step 2: Convert to fraction form
    116,643,413.75/160,972,798.10 = 67,083,821.06/x
  3. Step 3: Cross multiply
    116,643,413.75x = 160,972,798.10 × 67,083,821.06
  4. Step 4: Simplify right side
    116,643,413.75x = 10,798,670,382,127,624
  5. Step 5: Solve for x
    x = 10,798,670,382,127,624/116,643,413.75
  6. Step 6: Final answer
    x = 92,578,483.73

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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.