Home / 71,008,097.80-106,512,146.70-56,659,190.80

Finding the Fourth Proportional to 71,008,097.80, 106,512,146.70 and 56,659,190.80

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Solution

The fourth proportional to 71,008,097.80, 106,512,146.70 and 56,659,190.80 is: 84,988,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,008,097.80 : 106,512,146.70 = 56,659,190.80 : x
  2. Step 2: Convert to fraction form
    71,008,097.80/106,512,146.70 = 56,659,190.80/x
  3. Step 3: Cross multiply
    71,008,097.80x = 106,512,146.70 × 56,659,190.80
  4. Step 4: Simplify right side
    71,008,097.80x = 6,034,892,042,392,890
  5. Step 5: Solve for x
    x = 6,034,892,042,392,890/71,008,097.80
  6. Step 6: Final answer
    x = 84,988,786.20

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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.