Home / 118,104,659.80-177,156,989.70-87,493,658.20

Finding the Fourth Proportional to 118,104,659.80, 177,156,989.70 and 87,493,658.20

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Solution

The fourth proportional to 118,104,659.80, 177,156,989.70 and 87,493,658.20 is: 131,240,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,104,659.80 : 177,156,989.70 = 87,493,658.20 : x
  2. Step 2: Convert to fraction form
    118,104,659.80/177,156,989.70 = 87,493,658.20/x
  3. Step 3: Cross multiply
    118,104,659.80x = 177,156,989.70 × 87,493,658.20
  4. Step 4: Simplify right side
    118,104,659.80x = 15,500,113,104,552,720
  5. Step 5: Solve for x
    x = 15,500,113,104,552,720/118,104,659.80
  6. Step 6: Final answer
    x = 131,240,487.30

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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.