Home / 57,826,786.55-86,740,475.06-19,488,632.81

Finding the Fourth Proportional to 57,826,786.55, 86,740,475.06 and 19,488,632.81

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Solution

The fourth proportional to 57,826,786.55, 86,740,475.06 and 19,488,632.81 is: 29,233,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,826,786.55 : 86,740,475.06 = 19,488,632.81 : x
  2. Step 2: Convert to fraction form
    57,826,786.55/86,740,475.06 = 19,488,632.81/x
  3. Step 3: Cross multiply
    57,826,786.55x = 86,740,475.06 × 19,488,632.81
  4. Step 4: Simplify right side
    57,826,786.55x = 1,690,453,267,824,322
  5. Step 5: Solve for x
    x = 1,690,453,267,824,322/57,826,786.55
  6. Step 6: Final answer
    x = 29,233,048.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.