Home / 205,900,461.90-308,850,432-52,546,521.78

Finding the Fourth Proportional to 205,900,461.90, 308,850,432 and 52,546,521.78

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Solution

The fourth proportional to 205,900,461.90, 308,850,432 and 52,546,521.78 is: 78,819,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,900,461.90 : 308,850,432 = 52,546,521.78 : x
  2. Step 2: Convert to fraction form
    205,900,461.90/308,850,432 = 52,546,521.78/x
  3. Step 3: Cross multiply
    205,900,461.90x = 308,850,432 × 52,546,521.78
  4. Step 4: Simplify right side
    205,900,461.90x = 16,229,015,951,850,410
  5. Step 5: Solve for x
    x = 16,229,015,951,850,410/205,900,461.90
  6. Step 6: Final answer
    x = 78,819,716.10

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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.