Home / 257,507,334.96-355,362,652.62-140,035,217.91

Finding the Fourth Proportional to 257,507,334.96, 355,362,652.62 and 140,035,217.91

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Solution

The fourth proportional to 257,507,334.96, 355,362,652.62 and 140,035,217.91 is: 193,249,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,507,334.96 : 355,362,652.62 = 140,035,217.91 : x
  2. Step 2: Convert to fraction form
    257,507,334.96/355,362,652.62 = 140,035,217.91/x
  3. Step 3: Cross multiply
    257,507,334.96x = 355,362,652.62 × 140,035,217.91
  4. Step 4: Simplify right side
    257,507,334.96x = 49,763,286,496,717,328
  5. Step 5: Solve for x
    x = 49,763,286,496,717,328/257,507,334.96
  6. Step 6: Final answer
    x = 193,249,976.76

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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.