Home / 257,378,865.48-355,353,864.60-197,733,933.90

Finding the Fourth Proportional to 257,378,865.48, 355,353,864.60 and 197,733,933.90

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Solution

The fourth proportional to 257,378,865.48, 355,353,864.60 and 197,733,933.90 is: 273,004,224.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,378,865.48 : 355,353,864.60 = 197,733,933.90 : x
  2. Step 2: Convert to fraction form
    257,378,865.48/355,353,864.60 = 197,733,933.90/x
  3. Step 3: Cross multiply
    257,378,865.48x = 355,353,864.60 × 197,733,933.90
  4. Step 4: Simplify right side
    257,378,865.48x = 70,265,517,573,925,960
  5. Step 5: Solve for x
    x = 70,265,517,573,925,960/257,378,865.48
  6. Step 6: Final answer
    x = 273,004,224.50

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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.