Home / 316,992,003.40-475,488,005.10-206,027,122.60

Finding the Fourth Proportional to 316,992,003.40, 475,488,005.10 and 206,027,122.60

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Solution

The fourth proportional to 316,992,003.40, 475,488,005.10 and 206,027,122.60 is: 309,040,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,992,003.40 : 475,488,005.10 = 206,027,122.60 : x
  2. Step 2: Convert to fraction form
    316,992,003.40/475,488,005.10 = 206,027,122.60/x
  3. Step 3: Cross multiply
    316,992,003.40x = 475,488,005.10 × 206,027,122.60
  4. Step 4: Simplify right side
    316,992,003.40x = 97,963,425,521,567,120
  5. Step 5: Solve for x
    x = 97,963,425,521,567,120/316,992,003.40
  6. Step 6: Final answer
    x = 309,040,683.90

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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.