Home / 161,399,049.33-222,799,413.68-108,506,432.77

Finding the Fourth Proportional to 161,399,049.33, 222,799,413.68 and 108,506,432.77

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Solution

The fourth proportional to 161,399,049.33, 222,799,413.68 and 108,506,432.77 is: 149,785,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,399,049.33 : 222,799,413.68 = 108,506,432.77 : x
  2. Step 2: Convert to fraction form
    161,399,049.33/222,799,413.68 = 108,506,432.77/x
  3. Step 3: Cross multiply
    161,399,049.33x = 222,799,413.68 × 108,506,432.77
  4. Step 4: Simplify right side
    161,399,049.33x = 24,175,169,601,664,340
  5. Step 5: Solve for x
    x = 24,175,169,601,664,340/161,399,049.33
  6. Step 6: Final answer
    x = 149,785,080.53

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1.5x scale

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.