Home / 166,029,429.40-248,372,297.70-145,874,037.40

Finding the Fourth Proportional to 166,029,429.40, 248,372,297.70 and 145,874,037.40

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Solution

The fourth proportional to 166,029,429.40, 248,372,297.70 and 145,874,037.40 is: 218,220,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,029,429.40 : 248,372,297.70 = 145,874,037.40 : x
  2. Step 2: Convert to fraction form
    166,029,429.40/248,372,297.70 = 145,874,037.40/x
  3. Step 3: Cross multiply
    166,029,429.40x = 248,372,297.70 × 145,874,037.40
  4. Step 4: Simplify right side
    166,029,429.40x = 36,231,069,843,813,736
  5. Step 5: Solve for x
    x = 36,231,069,843,813,736/166,029,429.40
  6. Step 6: Final answer
    x = 218,220,769.50

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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.