Home / 117,544,007.20-176,399,991.60-49,435,578.40

Finding the Fourth Proportional to 117,544,007.20, 176,399,991.60 and 49,435,578.40

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Solution

The fourth proportional to 117,544,007.20, 176,399,991.60 and 49,435,578.40 is: 74,188,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,544,007.20 : 176,399,991.60 = 49,435,578.40 : x
  2. Step 2: Convert to fraction form
    117,544,007.20/176,399,991.60 = 49,435,578.40/x
  3. Step 3: Cross multiply
    117,544,007.20x = 176,399,991.60 × 49,435,578.40
  4. Step 4: Simplify right side
    117,544,007.20x = 8,720,435,614,501,141
  5. Step 5: Solve for x
    x = 8,720,435,614,501,141/117,544,007.20
  6. Step 6: Final answer
    x = 74,188,687.47

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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.