Home / 121,296,105.80-182,007,144.30-53,145,686.60

Finding the Fourth Proportional to 121,296,105.80, 182,007,144.30 and 53,145,686.60

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Solution

The fourth proportional to 121,296,105.80, 182,007,144.30 and 53,145,686.60 is: 79,746,126.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,296,105.80 : 182,007,144.30 = 53,145,686.60 : x
  2. Step 2: Convert to fraction form
    121,296,105.80/182,007,144.30 = 53,145,686.60/x
  3. Step 3: Cross multiply
    121,296,105.80x = 182,007,144.30 × 53,145,686.60
  4. Step 4: Simplify right side
    121,296,105.80x = 9,672,894,649,928,778
  5. Step 5: Solve for x
    x = 9,672,894,649,928,778/121,296,105.80
  6. Step 6: Final answer
    x = 79,746,126.94

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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.