Home / 49,980,707.05-74,981,285.90-17,187,016.86

Finding the Fourth Proportional to 49,980,707.05, 74,981,285.90 and 17,187,016.86

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Solution

The fourth proportional to 49,980,707.05, 74,981,285.90 and 17,187,016.86 is: 25,784,041.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,980,707.05 : 74,981,285.90 = 17,187,016.86 : x
  2. Step 2: Convert to fraction form
    49,980,707.05/74,981,285.90 = 17,187,016.86/x
  3. Step 3: Cross multiply
    49,980,707.05x = 74,981,285.90 × 17,187,016.86
  4. Step 4: Simplify right side
    49,980,707.05x = 1,288,704,624,947,780.25
  5. Step 5: Solve for x
    x = 1,288,704,624,947,780.25/49,980,707.05
  6. Step 6: Final answer
    x = 25,784,041.50

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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.