Home / 80,830,101.80-121,245,152.70-48,581,474.60

Finding the Fourth Proportional to 80,830,101.80, 121,245,152.70 and 48,581,474.60

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Solution

The fourth proportional to 80,830,101.80, 121,245,152.70 and 48,581,474.60 is: 72,872,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,830,101.80 : 121,245,152.70 = 48,581,474.60 : x
  2. Step 2: Convert to fraction form
    80,830,101.80/121,245,152.70 = 48,581,474.60/x
  3. Step 3: Cross multiply
    80,830,101.80x = 121,245,152.70 × 48,581,474.60
  4. Step 4: Simplify right side
    80,830,101.80x = 5,890,268,306,268,172
  5. Step 5: Solve for x
    x = 5,890,268,306,268,172/80,830,101.80
  6. Step 6: Final answer
    x = 72,872,211.90

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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.