Home / 73,163,936.72-109,745,952.50-18,580,615.76

Finding the Fourth Proportional to 73,163,936.72, 109,745,952.50 and 18,580,615.76

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Solution

The fourth proportional to 73,163,936.72, 109,745,952.50 and 18,580,615.76 is: 27,870,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,163,936.72 : 109,745,952.50 = 18,580,615.76 : x
  2. Step 2: Convert to fraction form
    73,163,936.72/109,745,952.50 = 18,580,615.76/x
  3. Step 3: Cross multiply
    73,163,936.72x = 109,745,952.50 × 18,580,615.76
  4. Step 4: Simplify right side
    73,163,936.72x = 2,039,147,374,617,711.50
  5. Step 5: Solve for x
    x = 2,039,147,374,617,711.50/73,163,936.72
  6. Step 6: Final answer
    x = 27,870,935.68

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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.