Home / 260,592,786.89-390,888,850.15-66,504,206.37

Finding the Fourth Proportional to 260,592,786.89, 390,888,850.15 and 66,504,206.37

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Solution

The fourth proportional to 260,592,786.89, 390,888,850.15 and 66,504,206.37 is: 99,756,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,592,786.89 : 390,888,850.15 = 66,504,206.37 : x
  2. Step 2: Convert to fraction form
    260,592,786.89/390,888,850.15 = 66,504,206.37/x
  3. Step 3: Cross multiply
    260,592,786.89x = 390,888,850.15 × 66,504,206.37
  4. Step 4: Simplify right side
    260,592,786.89x = 25,995,752,758,107,604
  5. Step 5: Solve for x
    x = 25,995,752,758,107,604/260,592,786.89
  6. Step 6: Final answer
    x = 99,756,225.29

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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.