Home / 436,251,415.75-654,328,622.37-156,121,025.30

Finding the Fourth Proportional to 436,251,415.75, 654,328,622.37 and 156,121,025.30

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Solution

The fourth proportional to 436,251,415.75, 654,328,622.37 and 156,121,025.30 is: 234,164,180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,251,415.75 : 654,328,622.37 = 156,121,025.30 : x
  2. Step 2: Convert to fraction form
    436,251,415.75/654,328,622.37 = 156,121,025.30/x
  3. Step 3: Cross multiply
    436,251,415.75x = 654,328,622.37 × 156,121,025.30
  4. Step 4: Simplify right side
    436,251,415.75x = 102,154,455,407,308,464
  5. Step 5: Solve for x
    x = 102,154,455,407,308,464/436,251,415.75
  6. Step 6: Final answer
    x = 234,164,180.84

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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.