Home / 154,529,781.60-231,794,672.40-46,810,408.80

Finding the Fourth Proportional to 154,529,781.60, 231,794,672.40 and 46,810,408.80

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Solution

The fourth proportional to 154,529,781.60, 231,794,672.40 and 46,810,408.80 is: 70,215,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,529,781.60 : 231,794,672.40 = 46,810,408.80 : x
  2. Step 2: Convert to fraction form
    154,529,781.60/231,794,672.40 = 46,810,408.80/x
  3. Step 3: Cross multiply
    154,529,781.60x = 231,794,672.40 × 46,810,408.80
  4. Step 4: Simplify right side
    154,529,781.60x = 10,850,403,372,706,076
  5. Step 5: Solve for x
    x = 10,850,403,372,706,076/154,529,781.60
  6. Step 6: Final answer
    x = 70,215,613.20

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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.