Home / 186,463,765.60-257,321,074.88-103,962,686.56

Finding the Fourth Proportional to 186,463,765.60, 257,321,074.88 and 103,962,686.56

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Solution

The fourth proportional to 186,463,765.60, 257,321,074.88 and 103,962,686.56 is: 143,469,108.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,463,765.60 : 257,321,074.88 = 103,962,686.56 : x
  2. Step 2: Convert to fraction form
    186,463,765.60/257,321,074.88 = 103,962,686.56/x
  3. Step 3: Cross multiply
    186,463,765.60x = 257,321,074.88 × 103,962,686.56
  4. Step 4: Simplify right side
    186,463,765.60x = 26,751,790,253,031,728
  5. Step 5: Solve for x
    x = 26,751,790,253,031,728/186,463,765.60
  6. Step 6: Final answer
    x = 143,469,108.69

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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.