Home / 118,723,399.20-178,085,098.80-98,568,007.20

Finding the Fourth Proportional to 118,723,399.20, 178,085,098.80 and 98,568,007.20

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Solution

The fourth proportional to 118,723,399.20, 178,085,098.80 and 98,568,007.20 is: 147,852,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,723,399.20 : 178,085,098.80 = 98,568,007.20 : x
  2. Step 2: Convert to fraction form
    118,723,399.20/178,085,098.80 = 98,568,007.20/x
  3. Step 3: Cross multiply
    118,723,399.20x = 178,085,098.80 × 98,568,007.20
  4. Step 4: Simplify right side
    118,723,399.20x = 17,553,493,300,731,114
  5. Step 5: Solve for x
    x = 17,553,493,300,731,114/118,723,399.20
  6. Step 6: Final answer
    x = 147,852,010.80

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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.