Home / 186,699,170.62-257,659,100.31-103,083,421.42

Finding the Fourth Proportional to 186,699,170.62, 257,659,100.31 and 103,083,421.42

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Solution

The fourth proportional to 186,699,170.62, 257,659,100.31 and 103,083,421.42 is: 142,262,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,699,170.62 : 257,659,100.31 = 103,083,421.42 : x
  2. Step 2: Convert to fraction form
    186,699,170.62/257,659,100.31 = 103,083,421.42/x
  3. Step 3: Cross multiply
    186,699,170.62x = 257,659,100.31 × 103,083,421.42
  4. Step 4: Simplify right side
    186,699,170.62x = 26,560,381,619,953,784
  5. Step 5: Solve for x
    x = 26,560,381,619,953,784/186,699,170.62
  6. Step 6: Final answer
    x = 142,262,986.66

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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.