Home / 54,310,618.80-81,402,942.60-21,941,269.20

Finding the Fourth Proportional to 54,310,618.80, 81,402,942.60 and 21,941,269.20

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Solution

The fourth proportional to 54,310,618.80, 81,402,942.60 and 21,941,269.20 is: 32,886,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310,618.80 : 81,402,942.60 = 21,941,269.20 : x
  2. Step 2: Convert to fraction form
    54,310,618.80/81,402,942.60 = 21,941,269.20/x
  3. Step 3: Cross multiply
    54,310,618.80x = 81,402,942.60 × 21,941,269.20
  4. Step 4: Simplify right side
    54,310,618.80x = 1,786,083,877,258,747.75
  5. Step 5: Solve for x
    x = 1,786,083,877,258,747.75/54,310,618.80
  6. Step 6: Final answer
    x = 32,886,457.87

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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.