Home / 54,378,220.80-81,567,331.20-48,426,081.60

Finding the Fourth Proportional to 54,378,220.80, 81,567,331.20 and 48,426,081.60

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Solution

The fourth proportional to 54,378,220.80, 81,567,331.20 and 48,426,081.60 is: 72,639,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,378,220.80 : 81,567,331.20 = 48,426,081.60 : x
  2. Step 2: Convert to fraction form
    54,378,220.80/81,567,331.20 = 48,426,081.60/x
  3. Step 3: Cross multiply
    54,378,220.80x = 81,567,331.20 × 48,426,081.60
  4. Step 4: Simplify right side
    54,378,220.80x = 3,949,986,236,585,426
  5. Step 5: Solve for x
    x = 3,949,986,236,585,426/54,378,220.80
  6. Step 6: Final answer
    x = 72,639,122.40

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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.