Home / 118,891,969.20-178,169,992.20-87,945,044.40

Finding the Fourth Proportional to 118,891,969.20, 178,169,992.20 and 87,945,044.40

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Solution

The fourth proportional to 118,891,969.20, 178,169,992.20 and 87,945,044.40 is: 131,793,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,891,969.20 : 178,169,992.20 = 87,945,044.40 : x
  2. Step 2: Convert to fraction form
    118,891,969.20/178,169,992.20 = 87,945,044.40/x
  3. Step 3: Cross multiply
    118,891,969.20x = 178,169,992.20 × 87,945,044.40
  4. Step 4: Simplify right side
    118,891,969.20x = 15,669,167,874,776,654
  5. Step 5: Solve for x
    x = 15,669,167,874,776,654/118,891,969.20
  6. Step 6: Final answer
    x = 131,793,324.48

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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.