Home / 240,571,065.92-331,988,209.09-130,562,778.92

Finding the Fourth Proportional to 240,571,065.92, 331,988,209.09 and 130,562,778.92

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Solution

The fourth proportional to 240,571,065.92, 331,988,209.09 and 130,562,778.92 is: 180,176,709.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,571,065.92 : 331,988,209.09 = 130,562,778.92 : x
  2. Step 2: Convert to fraction form
    240,571,065.92/331,988,209.09 = 130,562,778.92/x
  3. Step 3: Cross multiply
    240,571,065.92x = 331,988,209.09 × 130,562,778.92
  4. Step 4: Simplify right side
    240,571,065.92x = 43,345,303,147,464,400
  5. Step 5: Solve for x
    x = 43,345,303,147,464,400/240,571,065.92
  6. Step 6: Final answer
    x = 180,176,709.87

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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.