Home / 126,259,227.90-189,283,865.85-53,531,855.10

Finding the Fourth Proportional to 126,259,227.90, 189,283,865.85 and 53,531,855.10

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Solution

The fourth proportional to 126,259,227.90, 189,283,865.85 and 53,531,855.10 is: 80,253,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,259,227.90 : 189,283,865.85 = 53,531,855.10 : x
  2. Step 2: Convert to fraction form
    126,259,227.90/189,283,865.85 = 53,531,855.10/x
  3. Step 3: Cross multiply
    126,259,227.90x = 189,283,865.85 × 53,531,855.10
  4. Step 4: Simplify right side
    126,259,227.90x = 10,132,716,479,450,038
  5. Step 5: Solve for x
    x = 10,132,716,479,450,038/126,259,227.90
  6. Step 6: Final answer
    x = 80,253,274.54

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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.