Home / 261,235,627.88-360,423,993.85-148,186,501.92

Finding the Fourth Proportional to 261,235,627.88, 360,423,993.85 and 148,186,501.92

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Solution

The fourth proportional to 261,235,627.88, 360,423,993.85 and 148,186,501.92 is: 204,451,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,235,627.88 : 360,423,993.85 = 148,186,501.92 : x
  2. Step 2: Convert to fraction form
    261,235,627.88/360,423,993.85 = 148,186,501.92/x
  3. Step 3: Cross multiply
    261,235,627.88x = 360,423,993.85 × 148,186,501.92
  4. Step 4: Simplify right side
    261,235,627.88x = 53,409,970,856,296,624
  5. Step 5: Solve for x
    x = 53,409,970,856,296,624/261,235,627.88
  6. Step 6: Final answer
    x = 204,451,327.30

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1.5x scale

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.