Home / 54,847,657.20-82,271,485.80-18,443,948.70

Finding the Fourth Proportional to 54,847,657.20, 82,271,485.80 and 18,443,948.70

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Solution

The fourth proportional to 54,847,657.20, 82,271,485.80 and 18,443,948.70 is: 27,665,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,847,657.20 : 82,271,485.80 = 18,443,948.70 : x
  2. Step 2: Convert to fraction form
    54,847,657.20/82,271,485.80 = 18,443,948.70/x
  3. Step 3: Cross multiply
    54,847,657.20x = 82,271,485.80 × 18,443,948.70
  4. Step 4: Simplify right side
    54,847,657.20x = 1,517,411,063,567,978.25
  5. Step 5: Solve for x
    x = 1,517,411,063,567,978.25/54,847,657.20
  6. Step 6: Final answer
    x = 27,665,923.05

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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.