Home / 43,448,542.20-65,172,813.30-13,156,405.20

Finding the Fourth Proportional to 43,448,542.20, 65,172,813.30 and 13,156,405.20

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Solution

The fourth proportional to 43,448,542.20, 65,172,813.30 and 13,156,405.20 is: 19,734,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,448,542.20 : 65,172,813.30 = 13,156,405.20 : x
  2. Step 2: Convert to fraction form
    43,448,542.20/65,172,813.30 = 13,156,405.20/x
  3. Step 3: Cross multiply
    43,448,542.20x = 65,172,813.30 × 13,156,405.20
  4. Step 4: Simplify right side
    43,448,542.20x = 857,439,939,798,749.12
  5. Step 5: Solve for x
    x = 857,439,939,798,749.12/43,448,542.20
  6. Step 6: Final answer
    x = 19,734,607.80

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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.