Home / 144,373,792.16-199,244,259.80-81,655,450.38

Finding the Fourth Proportional to 144,373,792.16, 199,244,259.80 and 81,655,450.38

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Solution

The fourth proportional to 144,373,792.16, 199,244,259.80 and 81,655,450.38 is: 112,689,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,373,792.16 : 199,244,259.80 = 81,655,450.38 : x
  2. Step 2: Convert to fraction form
    144,373,792.16/199,244,259.80 = 81,655,450.38/x
  3. Step 3: Cross multiply
    144,373,792.16x = 199,244,259.80 × 81,655,450.38
  4. Step 4: Simplify right side
    144,373,792.16x = 16,269,379,769,190,450
  5. Step 5: Solve for x
    x = 16,269,379,769,190,450/144,373,792.16
  6. Step 6: Final answer
    x = 112,689,287.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.