Home / 54,288,119.80-81,432,179.70-48,335,980.60

Finding the Fourth Proportional to 54,288,119.80, 81,432,179.70 and 48,335,980.60

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Solution

The fourth proportional to 54,288,119.80, 81,432,179.70 and 48,335,980.60 is: 72,503,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288,119.80 : 81,432,179.70 = 48,335,980.60 : x
  2. Step 2: Convert to fraction form
    54,288,119.80/81,432,179.70 = 48,335,980.60/x
  3. Step 3: Cross multiply
    54,288,119.80x = 81,432,179.70 × 48,335,980.60
  4. Step 4: Simplify right side
    54,288,119.80x = 3,936,104,258,194,914
  5. Step 5: Solve for x
    x = 3,936,104,258,194,914/54,288,119.80
  6. Step 6: Final answer
    x = 72,503,970.90

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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.