Home / 53,167,008.21-79,705,024.12-20,401,090.80

Finding the Fourth Proportional to 53,167,008.21, 79,705,024.12 and 20,401,090.80

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Solution

The fourth proportional to 53,167,008.21, 79,705,024.12 and 20,401,090.80 is: 30,584,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,167,008.21 : 79,705,024.12 = 20,401,090.80 : x
  2. Step 2: Convert to fraction form
    53,167,008.21/79,705,024.12 = 20,401,090.80/x
  3. Step 3: Cross multiply
    53,167,008.21x = 79,705,024.12 × 20,401,090.80
  4. Step 4: Simplify right side
    53,167,008.21x = 1,626,069,434,288,310.25
  5. Step 5: Solve for x
    x = 1,626,069,434,288,310.25/53,167,008.21
  6. Step 6: Final answer
    x = 30,584,181.60

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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.