Home / 224,549,910.78-309,879,357.12-126,764,766.78

Finding the Fourth Proportional to 224,549,910.78, 309,879,357.12 and 126,764,766.78

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Solution

The fourth proportional to 224,549,910.78, 309,879,357.12 and 126,764,766.78 is: 174,935,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,549,910.78 : 309,879,357.12 = 126,764,766.78 : x
  2. Step 2: Convert to fraction form
    224,549,910.78/309,879,357.12 = 126,764,766.78/x
  3. Step 3: Cross multiply
    224,549,910.78x = 309,879,357.12 × 126,764,766.78
  4. Step 4: Simplify right side
    224,549,910.78x = 39,281,784,435,253,136
  5. Step 5: Solve for x
    x = 39,281,784,435,253,136/224,549,910.78
  6. Step 6: Final answer
    x = 174,935,649.27

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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.