Home / 84,250,808.55-126,376,212.83-74,844,958.95

Finding the Fourth Proportional to 84,250,808.55, 126,376,212.83 and 74,844,958.95

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Solution

The fourth proportional to 84,250,808.55, 126,376,212.83 and 74,844,958.95 is: 112,267,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,250,808.55 : 126,376,212.83 = 74,844,958.95 : x
  2. Step 2: Convert to fraction form
    84,250,808.55/126,376,212.83 = 74,844,958.95/x
  3. Step 3: Cross multiply
    84,250,808.55x = 126,376,212.83 × 74,844,958.95
  4. Step 4: Simplify right side
    84,250,808.55x = 9,458,622,461,143,590
  5. Step 5: Solve for x
    x = 9,458,622,461,143,590/84,250,808.55
  6. Step 6: Final answer
    x = 112,267,438.43

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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.