Home / 71,008,096.80-106,512,145.20-56,659,189.80

Finding the Fourth Proportional to 71,008,096.80, 106,512,145.20 and 56,659,189.80

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Solution

The fourth proportional to 71,008,096.80, 106,512,145.20 and 56,659,189.80 is: 84,988,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,008,096.80 : 106,512,145.20 = 56,659,189.80 : x
  2. Step 2: Convert to fraction form
    71,008,096.80/106,512,145.20 = 56,659,189.80/x
  3. Step 3: Cross multiply
    71,008,096.80x = 106,512,145.20 × 56,659,189.80
  4. Step 4: Simplify right side
    71,008,096.80x = 6,034,891,850,891,959
  5. Step 5: Solve for x
    x = 6,034,891,850,891,959/71,008,096.80
  6. Step 6: Final answer
    x = 84,988,784.70

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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.