Home / 82,374,871.36-123,569,569.44-30,560,074.24

Finding the Fourth Proportional to 82,374,871.36, 123,569,569.44 and 30,560,074.24

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Solution

The fourth proportional to 82,374,871.36, 123,569,569.44 and 30,560,074.24 is: 45,842,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,374,871.36 : 123,569,569.44 = 30,560,074.24 : x
  2. Step 2: Convert to fraction form
    82,374,871.36/123,569,569.44 = 30,560,074.24/x
  3. Step 3: Cross multiply
    82,374,871.36x = 123,569,569.44 × 30,560,074.24
  4. Step 4: Simplify right side
    82,374,871.36x = 3,776,295,215,891,235
  5. Step 5: Solve for x
    x = 3,776,295,215,891,235/82,374,871.36
  6. Step 6: Final answer
    x = 45,842,805.62

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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.