Home / 118,723,401.20-178,085,101.80-98,568,009.20

Finding the Fourth Proportional to 118,723,401.20, 178,085,101.80 and 98,568,009.20

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Solution

The fourth proportional to 118,723,401.20, 178,085,101.80 and 98,568,009.20 is: 147,852,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,723,401.20 : 178,085,101.80 = 98,568,009.20 : x
  2. Step 2: Convert to fraction form
    118,723,401.20/178,085,101.80 = 98,568,009.20/x
  3. Step 3: Cross multiply
    118,723,401.20x = 178,085,101.80 × 98,568,009.20
  4. Step 4: Simplify right side
    118,723,401.20x = 17,553,493,952,605,338
  5. Step 5: Solve for x
    x = 17,553,493,952,605,338/118,723,401.20
  6. Step 6: Final answer
    x = 147,852,013.80

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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.