Home / 118,783,721.20-178,033,864.20-106,596,007.60

Finding the Fourth Proportional to 118,783,721.20, 178,033,864.20 and 106,596,007.60

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Solution

The fourth proportional to 118,783,721.20, 178,033,864.20 and 106,596,007.60 is: 159,766,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,783,721.20 : 178,033,864.20 = 106,596,007.60 : x
  2. Step 2: Convert to fraction form
    118,783,721.20/178,033,864.20 = 106,596,007.60/x
  3. Step 3: Cross multiply
    118,783,721.20x = 178,033,864.20 × 106,596,007.60
  4. Step 4: Simplify right side
    118,783,721.20x = 18,977,699,141,320,564
  5. Step 5: Solve for x
    x = 18,977,699,141,320,564/118,783,721.20
  6. Step 6: Final answer
    x = 159,766,834.63

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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.