Home / 118,892,608.20-178,170,950.70-87,945,683.40

Finding the Fourth Proportional to 118,892,608.20, 178,170,950.70 and 87,945,683.40

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Solution

The fourth proportional to 118,892,608.20, 178,170,950.70 and 87,945,683.40 is: 131,794,282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,892,608.20 : 178,170,950.70 = 87,945,683.40 : x
  2. Step 2: Convert to fraction form
    118,892,608.20/178,170,950.70 = 87,945,683.40/x
  3. Step 3: Cross multiply
    118,892,608.20x = 178,170,950.70 × 87,945,683.40
  4. Step 4: Simplify right side
    118,892,608.20x = 15,669,366,021,339,208
  5. Step 5: Solve for x
    x = 15,669,366,021,339,208/118,892,608.20
  6. Step 6: Final answer
    x = 131,794,282.74

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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.