Home / 135,430,349.94-186,962,644.53-85,921,335.54

Finding the Fourth Proportional to 135,430,349.94, 186,962,644.53 and 85,921,335.54

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Solution

The fourth proportional to 135,430,349.94, 186,962,644.53 and 85,921,335.54 is: 118,615,067.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,430,349.94 : 186,962,644.53 = 85,921,335.54 : x
  2. Step 2: Convert to fraction form
    135,430,349.94/186,962,644.53 = 85,921,335.54/x
  3. Step 3: Cross multiply
    135,430,349.94x = 186,962,644.53 × 85,921,335.54
  4. Step 4: Simplify right side
    135,430,349.94x = 16,064,080,114,107,876
  5. Step 5: Solve for x
    x = 16,064,080,114,107,876/135,430,349.94
  6. Step 6: Final answer
    x = 118,615,067.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.