Home / 117,519,748.80-176,279,623.20-81,240,043.20

Finding the Fourth Proportional to 117,519,748.80, 176,279,623.20 and 81,240,043.20

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Solution

The fourth proportional to 117,519,748.80, 176,279,623.20 and 81,240,043.20 is: 121,860,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,519,748.80 : 176,279,623.20 = 81,240,043.20 : x
  2. Step 2: Convert to fraction form
    117,519,748.80/176,279,623.20 = 81,240,043.20/x
  3. Step 3: Cross multiply
    117,519,748.80x = 176,279,623.20 × 81,240,043.20
  4. Step 4: Simplify right side
    117,519,748.80x = 14,320,964,204,047,722
  5. Step 5: Solve for x
    x = 14,320,964,204,047,722/117,519,748.80
  6. Step 6: Final answer
    x = 121,860,064.80

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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.