Home / 120,670,924.20-166,512,309.48-71,108,080.44

Finding the Fourth Proportional to 120,670,924.20, 166,512,309.48 and 71,108,080.44

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Solution

The fourth proportional to 120,670,924.20, 166,512,309.48 and 71,108,080.44 is: 98,121,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,670,924.20 : 166,512,309.48 = 71,108,080.44 : x
  2. Step 2: Convert to fraction form
    120,670,924.20/166,512,309.48 = 71,108,080.44/x
  3. Step 3: Cross multiply
    120,670,924.20x = 166,512,309.48 × 71,108,080.44
  4. Step 4: Simplify right side
    120,670,924.20x = 11,840,370,696,754,014
  5. Step 5: Solve for x
    x = 11,840,370,696,754,014/120,670,924.20
  6. Step 6: Final answer
    x = 98,121,156.98

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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.