Home / 55,183,499.20-82,783,996.80-18,795,318.40

Finding the Fourth Proportional to 55,183,499.20, 82,783,996.80 and 18,795,318.40

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Solution

The fourth proportional to 55,183,499.20, 82,783,996.80 and 18,795,318.40 is: 28,195,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,183,499.20 : 82,783,996.80 = 18,795,318.40 : x
  2. Step 2: Convert to fraction form
    55,183,499.20/82,783,996.80 = 18,795,318.40/x
  3. Step 3: Cross multiply
    55,183,499.20x = 82,783,996.80 × 18,795,318.40
  4. Step 4: Simplify right side
    55,183,499.20x = 1,555,951,578,280,581
  5. Step 5: Solve for x
    x = 1,555,951,578,280,581/55,183,499.20
  6. Step 6: Final answer
    x = 28,195,957.14

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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.