Home / 141,430,109.40-195,171,591.42-79,550,489.88

Finding the Fourth Proportional to 141,430,109.40, 195,171,591.42 and 79,550,489.88

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Solution

The fourth proportional to 141,430,109.40, 195,171,591.42 and 79,550,489.88 is: 109,778,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,430,109.40 : 195,171,591.42 = 79,550,489.88 : x
  2. Step 2: Convert to fraction form
    141,430,109.40/195,171,591.42 = 79,550,489.88/x
  3. Step 3: Cross multiply
    141,430,109.40x = 195,171,591.42 × 79,550,489.88
  4. Step 4: Simplify right side
    141,430,109.40x = 15,525,995,708,120,202
  5. Step 5: Solve for x
    x = 15,525,995,708,120,202/141,430,109.40
  6. Step 6: Final answer
    x = 109,778,573.84

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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.