Home / 100,405,056.20-150,707,117.10-49,344,729.80

Finding the Fourth Proportional to 100,405,056.20, 150,707,117.10 and 49,344,729.80

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Solution

The fourth proportional to 100,405,056.20, 150,707,117.10 and 49,344,729.80 is: 74,066,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,405,056.20 : 150,707,117.10 = 49,344,729.80 : x
  2. Step 2: Convert to fraction form
    100,405,056.20/150,707,117.10 = 49,344,729.80/x
  3. Step 3: Cross multiply
    100,405,056.20x = 150,707,117.10 × 49,344,729.80
  4. Step 4: Simplify right side
    100,405,056.20x = 7,436,601,972,236,459
  5. Step 5: Solve for x
    x = 7,436,601,972,236,459/100,405,056.20
  6. Step 6: Final answer
    x = 74,066,010.75

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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.