Home / 144,701,617.30-217,052,425.95-87,305,989.30

Finding the Fourth Proportional to 144,701,617.30, 217,052,425.95 and 87,305,989.30

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Solution

The fourth proportional to 144,701,617.30, 217,052,425.95 and 87,305,989.30 is: 130,958,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,701,617.30 : 217,052,425.95 = 87,305,989.30 : x
  2. Step 2: Convert to fraction form
    144,701,617.30/217,052,425.95 = 87,305,989.30/x
  3. Step 3: Cross multiply
    144,701,617.30x = 217,052,425.95 × 87,305,989.30
  4. Step 4: Simplify right side
    144,701,617.30x = 18,949,976,777,529,740
  5. Step 5: Solve for x
    x = 18,949,976,777,529,740/144,701,617.30
  6. Step 6: Final answer
    x = 130,958,983.95

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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.