Home / 118,190,493.62-177,554,782.41-85,501,889.85

Finding the Fourth Proportional to 118,190,493.62, 177,554,782.41 and 85,501,889.85

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Solution

The fourth proportional to 118,190,493.62, 177,554,782.41 and 85,501,889.85 is: 128,447,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,190,493.62 : 177,554,782.41 = 85,501,889.85 : x
  2. Step 2: Convert to fraction form
    118,190,493.62/177,554,782.41 = 85,501,889.85/x
  3. Step 3: Cross multiply
    118,190,493.62x = 177,554,782.41 × 85,501,889.85
  4. Step 4: Simplify right side
    118,190,493.62x = 15,181,269,447,960,536
  5. Step 5: Solve for x
    x = 15,181,269,447,960,536/118,190,493.62
  6. Step 6: Final answer
    x = 128,447,466.32

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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.