Home / 21,730,189,708.80-32,595,284,563.20-18,243,405,307.80

Finding the Fourth Proportional to 21,730,189,708.80, 32,595,284,563.20 and 18,243,405,307.80

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Solution

The fourth proportional to 21,730,189,708.80, 32,595,284,563.20 and 18,243,405,307.80 is: 27,365,107,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,189,708.80 : 32,595,284,563.20 = 18,243,405,307.80 : x
  2. Step 2: Convert to fraction form
    21,730,189,708.80/32,595,284,563.20 = 18,243,405,307.80/x
  3. Step 3: Cross multiply
    21,730,189,708.80x = 32,595,284,563.20 × 18,243,405,307.80
  4. Step 4: Simplify right side
    21,730,189,708.80x = 594,648,987,409,534,287,872
  5. Step 5: Solve for x
    x = 594,648,987,409,534,287,872/21,730,189,708.80
  6. Step 6: Final answer
    x = 27,365,107,961.70

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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.