Home / 54,328,257.60-81,464,392.80-20,232,052.80

Finding the Fourth Proportional to 54,328,257.60, 81,464,392.80 and 20,232,052.80

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Solution

The fourth proportional to 54,328,257.60, 81,464,392.80 and 20,232,052.80 is: 30,337,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328,257.60 : 81,464,392.80 = 20,232,052.80 : x
  2. Step 2: Convert to fraction form
    54,328,257.60/81,464,392.80 = 20,232,052.80/x
  3. Step 3: Cross multiply
    54,328,257.60x = 81,464,392.80 × 20,232,052.80
  4. Step 4: Simplify right side
    54,328,257.60x = 1,648,191,896,449,539.75
  5. Step 5: Solve for x
    x = 1,648,191,896,449,539.75/54,328,257.60
  6. Step 6: Final answer
    x = 30,337,654.28

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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.