Home / 120,076,360.20-165,723,147.18-76,027,453.74

Finding the Fourth Proportional to 120,076,360.20, 165,723,147.18 and 76,027,453.74

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Solution

The fourth proportional to 120,076,360.20, 165,723,147.18 and 76,027,453.74 is: 104,929,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,076,360.20 : 165,723,147.18 = 76,027,453.74 : x
  2. Step 2: Convert to fraction form
    120,076,360.20/165,723,147.18 = 76,027,453.74/x
  3. Step 3: Cross multiply
    120,076,360.20x = 165,723,147.18 × 76,027,453.74
  4. Step 4: Simplify right side
    120,076,360.20x = 12,599,508,905,874,662
  5. Step 5: Solve for x
    x = 12,599,508,905,874,662/120,076,360.20
  6. Step 6: Final answer
    x = 104,929,137.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.