Home / 121,389,583.40-182,084,375.10-113,327,426.60

Finding the Fourth Proportional to 121,389,583.40, 182,084,375.10 and 113,327,426.60

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Solution

The fourth proportional to 121,389,583.40, 182,084,375.10 and 113,327,426.60 is: 169,991,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,389,583.40 : 182,084,375.10 = 113,327,426.60 : x
  2. Step 2: Convert to fraction form
    121,389,583.40/182,084,375.10 = 113,327,426.60/x
  3. Step 3: Cross multiply
    121,389,583.40x = 182,084,375.10 × 113,327,426.60
  4. Step 4: Simplify right side
    121,389,583.40x = 20,635,153,654,152,116
  5. Step 5: Solve for x
    x = 20,635,153,654,152,116/121,389,583.40
  6. Step 6: Final answer
    x = 169,991,139.90

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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.