Home / 257,794,409.76-355,763,846.16-140,327,401.92

Finding the Fourth Proportional to 257,794,409.76, 355,763,846.16 and 140,327,401.92

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Solution

The fourth proportional to 257,794,409.76, 355,763,846.16 and 140,327,401.92 is: 193,655,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,794,409.76 : 355,763,846.16 = 140,327,401.92 : x
  2. Step 2: Convert to fraction form
    257,794,409.76/355,763,846.16 = 140,327,401.92/x
  3. Step 3: Cross multiply
    257,794,409.76x = 355,763,846.16 × 140,327,401.92
  4. Step 4: Simplify right side
    257,794,409.76x = 49,923,416,228,699,368
  5. Step 5: Solve for x
    x = 49,923,416,228,699,368/257,794,409.76
  6. Step 6: Final answer
    x = 193,655,930.22

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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.