Home / 255,347,911.50-352,380,511.71-145,339,624.50

Finding the Fourth Proportional to 255,347,911.50, 352,380,511.71 and 145,339,624.50

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Solution

The fourth proportional to 255,347,911.50, 352,380,511.71 and 145,339,624.50 is: 200,568,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,347,911.50 : 352,380,511.71 = 145,339,624.50 : x
  2. Step 2: Convert to fraction form
    255,347,911.50/352,380,511.71 = 145,339,624.50/x
  3. Step 3: Cross multiply
    255,347,911.50x = 352,380,511.71 × 145,339,624.50
  4. Step 4: Simplify right side
    255,347,911.50x = 51,214,851,253,049,248
  5. Step 5: Solve for x
    x = 51,214,851,253,049,248/255,347,911.50
  6. Step 6: Final answer
    x = 200,568,905.98

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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.