Home / 316,992,002.40-475,488,003.60-206,027,121.60

Finding the Fourth Proportional to 316,992,002.40, 475,488,003.60 and 206,027,121.60

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Solution

The fourth proportional to 316,992,002.40, 475,488,003.60 and 206,027,121.60 is: 309,040,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,992,002.40 : 475,488,003.60 = 206,027,121.60 : x
  2. Step 2: Convert to fraction form
    316,992,002.40/475,488,003.60 = 206,027,121.60/x
  3. Step 3: Cross multiply
    316,992,002.40x = 475,488,003.60 × 206,027,121.60
  4. Step 4: Simplify right side
    316,992,002.40x = 97,963,424,737,038,432
  5. Step 5: Solve for x
    x = 97,963,424,737,038,432/316,992,002.40
  6. Step 6: Final answer
    x = 309,040,682.40

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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.