Home / 214,511,413.28-321,866,078.02-97,962,498.18

Finding the Fourth Proportional to 214,511,413.28, 321,866,078.02 and 97,962,498.18

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Solution

The fourth proportional to 214,511,413.28, 321,866,078.02 and 97,962,498.18 is: 146,988,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,511,413.28 : 321,866,078.02 = 97,962,498.18 : x
  2. Step 2: Convert to fraction form
    214,511,413.28/321,866,078.02 = 97,962,498.18/x
  3. Step 3: Cross multiply
    214,511,413.28x = 321,866,078.02 × 97,962,498.18
  4. Step 4: Simplify right side
    214,511,413.28x = 31,530,805,081,993,084
  5. Step 5: Solve for x
    x = 31,530,805,081,993,084/214,511,413.28
  6. Step 6: Final answer
    x = 146,988,939.19

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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.