Home / 140,513,109.09-193,928,373.38-80,962,999.96

Finding the Fourth Proportional to 140,513,109.09, 193,928,373.38 and 80,962,999.96

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Solution

The fourth proportional to 140,513,109.09, 193,928,373.38 and 80,962,999.96 is: 111,740,626.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,513,109.09 : 193,928,373.38 = 80,962,999.96 : x
  2. Step 2: Convert to fraction form
    140,513,109.09/193,928,373.38 = 80,962,999.96/x
  3. Step 3: Cross multiply
    140,513,109.09x = 193,928,373.38 × 80,962,999.96
  4. Step 4: Simplify right side
    140,513,109.09x = 15,701,022,885,520,576
  5. Step 5: Solve for x
    x = 15,701,022,885,520,576/140,513,109.09
  6. Step 6: Final answer
    x = 111,740,626.82

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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.