Home / 57,646,740.84-86,456,529-21,235,355.16

Finding the Fourth Proportional to 57,646,740.84, 86,456,529 and 21,235,355.16

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Solution

The fourth proportional to 57,646,740.84, 86,456,529 and 21,235,355.16 is: 31,848,029.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,646,740.84 : 86,456,529 = 21,235,355.16 : x
  2. Step 2: Convert to fraction form
    57,646,740.84/86,456,529 = 21,235,355.16/x
  3. Step 3: Cross multiply
    57,646,740.84x = 86,456,529 × 21,235,355.16
  4. Step 4: Simplify right side
    57,646,740.84x = 1,835,935,099,215,839.75
  5. Step 5: Solve for x
    x = 1,835,935,099,215,839.75/57,646,740.84
  6. Step 6: Final answer
    x = 31,848,029.44

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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.