Home / 121,389,423.40-182,084,135.10-113,327,266.60

Finding the Fourth Proportional to 121,389,423.40, 182,084,135.10 and 113,327,266.60

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Solution

The fourth proportional to 121,389,423.40, 182,084,135.10 and 113,327,266.60 is: 169,990,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,389,423.40 : 182,084,135.10 = 113,327,266.60 : x
  2. Step 2: Convert to fraction form
    121,389,423.40/182,084,135.10 = 113,327,266.60/x
  3. Step 3: Cross multiply
    121,389,423.40x = 182,084,135.10 × 113,327,266.60
  4. Step 4: Simplify right side
    121,389,423.40x = 20,635,097,322,108,116
  5. Step 5: Solve for x
    x = 20,635,097,322,108,116/121,389,423.40
  6. Step 6: Final answer
    x = 169,990,899.90

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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.