Home / 209,953,772.20-314,930,658.30-133,048,354.60

Finding the Fourth Proportional to 209,953,772.20, 314,930,658.30 and 133,048,354.60

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Solution

The fourth proportional to 209,953,772.20, 314,930,658.30 and 133,048,354.60 is: 199,572,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,772.20 : 314,930,658.30 = 133,048,354.60 : x
  2. Step 2: Convert to fraction form
    209,953,772.20/314,930,658.30 = 133,048,354.60/x
  3. Step 3: Cross multiply
    209,953,772.20x = 314,930,658.30 × 133,048,354.60
  4. Step 4: Simplify right side
    209,953,772.20x = 41,901,005,899,909,832
  5. Step 5: Solve for x
    x = 41,901,005,899,909,832/209,953,772.20
  6. Step 6: Final answer
    x = 199,572,531.90

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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.