Home / 250,728,395-346,005,183.48-140,720,108

Finding the Fourth Proportional to 250,728,395, 346,005,183.48 and 140,720,108

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Solution

The fourth proportional to 250,728,395, 346,005,183.48 and 140,720,108 is: 194,193,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,728,395 : 346,005,183.48 = 140,720,108 : x
  2. Step 2: Convert to fraction form
    250,728,395/346,005,183.48 = 140,720,108/x
  3. Step 3: Cross multiply
    250,728,395x = 346,005,183.48 × 140,720,108
  4. Step 4: Simplify right side
    250,728,395x = 48,689,886,787,865,416
  5. Step 5: Solve for x
    x = 48,689,886,787,865,416/250,728,395
  6. Step 6: Final answer
    x = 194,193,748.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.