Home / 75,132,973.16-103,629,842.34-68,958,051.56

Finding the Fourth Proportional to 75,132,973.16, 103,629,842.34 and 68,958,051.56

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Solution

The fourth proportional to 75,132,973.16, 103,629,842.34 and 68,958,051.56 is: 95,112,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,132,973.16 : 103,629,842.34 = 68,958,051.56 : x
  2. Step 2: Convert to fraction form
    75,132,973.16/103,629,842.34 = 68,958,051.56/x
  3. Step 3: Cross multiply
    75,132,973.16x = 103,629,842.34 × 68,958,051.56
  4. Step 4: Simplify right side
    75,132,973.16x = 7,146,112,011,236,392
  5. Step 5: Solve for x
    x = 7,146,112,011,236,392/75,132,973.16
  6. Step 6: Final answer
    x = 95,112,860.71

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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.