Home / 54,966,008.20-82,480,505.10-20,911,793.80

Finding the Fourth Proportional to 54,966,008.20, 82,480,505.10 and 20,911,793.80

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Solution

The fourth proportional to 54,966,008.20, 82,480,505.10 and 20,911,793.80 is: 31,379,672.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,966,008.20 : 82,480,505.10 = 20,911,793.80 : x
  2. Step 2: Convert to fraction form
    54,966,008.20/82,480,505.10 = 20,911,793.80/x
  3. Step 3: Cross multiply
    54,966,008.20x = 82,480,505.10 × 20,911,793.80
  4. Step 4: Simplify right side
    54,966,008.20x = 1,724,815,315,171,048.25
  5. Step 5: Solve for x
    x = 1,724,815,315,171,048.25/54,966,008.20
  6. Step 6: Final answer
    x = 31,379,672.12

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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.