Home / 56,168,469.60-84,252,704.40-47,686,408.80

Finding the Fourth Proportional to 56,168,469.60, 84,252,704.40 and 47,686,408.80

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Solution

The fourth proportional to 56,168,469.60, 84,252,704.40 and 47,686,408.80 is: 71,529,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,168,469.60 : 84,252,704.40 = 47,686,408.80 : x
  2. Step 2: Convert to fraction form
    56,168,469.60/84,252,704.40 = 47,686,408.80/x
  3. Step 3: Cross multiply
    56,168,469.60x = 84,252,704.40 × 47,686,408.80
  4. Step 4: Simplify right side
    56,168,469.60x = 4,017,708,904,523,959
  5. Step 5: Solve for x
    x = 4,017,708,904,523,959/56,168,469.60
  6. Step 6: Final answer
    x = 71,529,613.20

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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.