Home / 140,555,341.44-193,965,019.20-80,994,755.16

Finding the Fourth Proportional to 140,555,341.44, 193,965,019.20 and 80,994,755.16

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Solution

The fourth proportional to 140,555,341.44, 193,965,019.20 and 80,994,755.16 is: 111,771,983.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,555,341.44 : 193,965,019.20 = 80,994,755.16 : x
  2. Step 2: Convert to fraction form
    140,555,341.44/193,965,019.20 = 80,994,755.16/x
  3. Step 3: Cross multiply
    140,555,341.44x = 193,965,019.20 × 80,994,755.16
  4. Step 4: Simplify right side
    140,555,341.44x = 15,710,149,239,708,698
  5. Step 5: Solve for x
    x = 15,710,149,239,708,698/140,555,341.44
  6. Step 6: Final answer
    x = 111,771,983.04

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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.