Home / 140,719,745.60-211,079,618.40-49,831,524.80

Finding the Fourth Proportional to 140,719,745.60, 211,079,618.40 and 49,831,524.80

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Solution

The fourth proportional to 140,719,745.60, 211,079,618.40 and 49,831,524.80 is: 74,747,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,719,745.60 : 211,079,618.40 = 49,831,524.80 : x
  2. Step 2: Convert to fraction form
    140,719,745.60/211,079,618.40 = 49,831,524.80/x
  3. Step 3: Cross multiply
    140,719,745.60x = 211,079,618.40 × 49,831,524.80
  4. Step 4: Simplify right side
    140,719,745.60x = 10,518,419,239,074,136
  5. Step 5: Solve for x
    x = 10,518,419,239,074,136/140,719,745.60
  6. Step 6: Final answer
    x = 74,747,287.20

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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.