Home / 121,389,615.40-182,084,423.10-113,327,458.60

Finding the Fourth Proportional to 121,389,615.40, 182,084,423.10 and 113,327,458.60

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Solution

The fourth proportional to 121,389,615.40, 182,084,423.10 and 113,327,458.60 is: 169,991,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,389,615.40 : 182,084,423.10 = 113,327,458.60 : x
  2. Step 2: Convert to fraction form
    121,389,615.40/182,084,423.10 = 113,327,458.60/x
  3. Step 3: Cross multiply
    121,389,615.40x = 182,084,423.10 × 113,327,458.60
  4. Step 4: Simplify right side
    121,389,615.40x = 20,635,164,920,570,132
  5. Step 5: Solve for x
    x = 20,635,164,920,570,132/121,389,615.40
  6. Step 6: Final answer
    x = 169,991,187.90

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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.