Home / 135,332,820.36-187,100,839.44-99,994,889.76

Finding the Fourth Proportional to 135,332,820.36, 187,100,839.44 and 99,994,889.76

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Solution

The fourth proportional to 135,332,820.36, 187,100,839.44 and 99,994,889.76 is: 138,245,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,332,820.36 : 187,100,839.44 = 99,994,889.76 : x
  2. Step 2: Convert to fraction form
    135,332,820.36/187,100,839.44 = 99,994,889.76/x
  3. Step 3: Cross multiply
    135,332,820.36x = 187,100,839.44 × 99,994,889.76
  4. Step 4: Simplify right side
    135,332,820.36x = 18,709,127,813,806,260
  5. Step 5: Solve for x
    x = 18,709,127,813,806,260/135,332,820.36
  6. Step 6: Final answer
    x = 138,245,310.81

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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.