Home / 257,701,138.35-355,624,581.56-140,224,444.54

Finding the Fourth Proportional to 257,701,138.35, 355,624,581.56 and 140,224,444.54

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Solution

The fourth proportional to 257,701,138.35, 355,624,581.56 and 140,224,444.54 is: 193,508,106.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,701,138.35 : 355,624,581.56 = 140,224,444.54 : x
  2. Step 2: Convert to fraction form
    257,701,138.35/355,624,581.56 = 140,224,444.54/x
  3. Step 3: Cross multiply
    257,701,138.35x = 355,624,581.56 × 140,224,444.54
  4. Step 4: Simplify right side
    257,701,138.35x = 49,867,259,416,213,832
  5. Step 5: Solve for x
    x = 49,867,259,416,213,832/257,701,138.35
  6. Step 6: Final answer
    x = 193,508,106.86

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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.