Home / 43,554,371.80-65,328,408.42-20,829,167.32

Finding the Fourth Proportional to 43,554,371.80, 65,328,408.42 and 20,829,167.32

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Solution

The fourth proportional to 43,554,371.80, 65,328,408.42 and 20,829,167.32 is: 31,242,244.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,554,371.80 : 65,328,408.42 = 20,829,167.32 : x
  2. Step 2: Convert to fraction form
    43,554,371.80/65,328,408.42 = 20,829,167.32/x
  3. Step 3: Cross multiply
    43,554,371.80x = 65,328,408.42 × 20,829,167.32
  4. Step 4: Simplify right side
    43,554,371.80x = 1,360,736,349,729,477
  5. Step 5: Solve for x
    x = 1,360,736,349,729,477/43,554,371.80
  6. Step 6: Final answer
    x = 31,242,244.89

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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.