Home / 144,440,288.56-199,327,984.56-78,360,786.82

Finding the Fourth Proportional to 144,440,288.56, 199,327,984.56 and 78,360,786.82

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Solution

The fourth proportional to 144,440,288.56, 199,327,984.56 and 78,360,786.82 is: 108,138,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,440,288.56 : 199,327,984.56 = 78,360,786.82 : x
  2. Step 2: Convert to fraction form
    144,440,288.56/199,327,984.56 = 78,360,786.82/x
  3. Step 3: Cross multiply
    144,440,288.56x = 199,327,984.56 × 78,360,786.82
  4. Step 4: Simplify right side
    144,440,288.56x = 15,619,497,705,366,410
  5. Step 5: Solve for x
    x = 15,619,497,705,366,410/144,440,288.56
  6. Step 6: Final answer
    x = 108,138,095.41

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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.