Home / 144,709,588.80-217,064,383.20-87,313,960.80

Finding the Fourth Proportional to 144,709,588.80, 217,064,383.20 and 87,313,960.80

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Solution

The fourth proportional to 144,709,588.80, 217,064,383.20 and 87,313,960.80 is: 130,970,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,709,588.80 : 217,064,383.20 = 87,313,960.80 : x
  2. Step 2: Convert to fraction form
    144,709,588.80/217,064,383.20 = 87,313,960.80/x
  3. Step 3: Cross multiply
    144,709,588.80x = 217,064,383.20 × 87,313,960.80
  4. Step 4: Simplify right side
    144,709,588.80x = 18,952,751,045,800,976
  5. Step 5: Solve for x
    x = 18,952,751,045,800,976/144,709,588.80
  6. Step 6: Final answer
    x = 130,970,941.20

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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.