Home / 121,389,622.40-182,084,433.60-113,327,465.60

Finding the Fourth Proportional to 121,389,622.40, 182,084,433.60 and 113,327,465.60

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Solution

The fourth proportional to 121,389,622.40, 182,084,433.60 and 113,327,465.60 is: 169,991,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,389,622.40 : 182,084,433.60 = 113,327,465.60 : x
  2. Step 2: Convert to fraction form
    121,389,622.40/182,084,433.60 = 113,327,465.60/x
  3. Step 3: Cross multiply
    121,389,622.40x = 182,084,433.60 × 113,327,465.60
  4. Step 4: Simplify right side
    121,389,622.40x = 20,635,167,385,099,484
  5. Step 5: Solve for x
    x = 20,635,167,385,099,484/121,389,622.40
  6. Step 6: Final answer
    x = 169,991,198.40

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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.