Home / 260,967,871.55-391,193,239.68-122,545,689.27

Finding the Fourth Proportional to 260,967,871.55, 391,193,239.68 and 122,545,689.27

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Solution

The fourth proportional to 260,967,871.55, 391,193,239.68 and 122,545,689.27 is: 183,697,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,967,871.55 : 391,193,239.68 = 122,545,689.27 : x
  2. Step 2: Convert to fraction form
    260,967,871.55/391,193,239.68 = 122,545,689.27/x
  3. Step 3: Cross multiply
    260,967,871.55x = 391,193,239.68 × 122,545,689.27
  4. Step 4: Simplify right side
    260,967,871.55x = 47,939,045,193,065,568
  5. Step 5: Solve for x
    x = 47,939,045,193,065,568/260,967,871.55
  6. Step 6: Final answer
    x = 183,697,115.31

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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.