Home / 111,078,316.85-166,724,944.85-53,611,042.73

Finding the Fourth Proportional to 111,078,316.85, 166,724,944.85 and 53,611,042.73

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Solution

The fourth proportional to 111,078,316.85, 166,724,944.85 and 53,611,042.73 is: 80,468,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,078,316.85 : 166,724,944.85 = 53,611,042.73 : x
  2. Step 2: Convert to fraction form
    111,078,316.85/166,724,944.85 = 53,611,042.73/x
  3. Step 3: Cross multiply
    111,078,316.85x = 166,724,944.85 × 53,611,042.73
  4. Step 4: Simplify right side
    111,078,316.85x = 8,938,298,141,810,646
  5. Step 5: Solve for x
    x = 8,938,298,141,810,646/111,078,316.85
  6. Step 6: Final answer
    x = 80,468,433.41

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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.