Home / 198,623,998.40-297,935,997.60-55,016,830.40

Finding the Fourth Proportional to 198,623,998.40, 297,935,997.60 and 55,016,830.40

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Solution

The fourth proportional to 198,623,998.40, 297,935,997.60 and 55,016,830.40 is: 82,525,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,623,998.40 : 297,935,997.60 = 55,016,830.40 : x
  2. Step 2: Convert to fraction form
    198,623,998.40/297,935,997.60 = 55,016,830.40/x
  3. Step 3: Cross multiply
    198,623,998.40x = 297,935,997.60 × 55,016,830.40
  4. Step 4: Simplify right side
    198,623,998.40x = 16,391,494,250,014,008
  5. Step 5: Solve for x
    x = 16,391,494,250,014,008/198,623,998.40
  6. Step 6: Final answer
    x = 82,525,245.60

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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.