Home / 144,369,276.62-199,229,647.20-78,289,755.06

Finding the Fourth Proportional to 144,369,276.62, 199,229,647.20 and 78,289,755.06

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Solution

The fourth proportional to 144,369,276.62, 199,229,647.20 and 78,289,755.06 is: 108,039,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,369,276.62 : 199,229,647.20 = 78,289,755.06 : x
  2. Step 2: Convert to fraction form
    144,369,276.62/199,229,647.20 = 78,289,755.06/x
  3. Step 3: Cross multiply
    144,369,276.62x = 199,229,647.20 × 78,289,755.06
  4. Step 4: Simplify right side
    144,369,276.62x = 15,597,640,279,978,214
  5. Step 5: Solve for x
    x = 15,597,640,279,978,214/144,369,276.62
  6. Step 6: Final answer
    x = 108,039,886.64

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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.