Home / 135,711,140.92-187,346,422.38-83,544,892.36

Finding the Fourth Proportional to 135,711,140.92, 187,346,422.38 and 83,544,892.36

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Solution

The fourth proportional to 135,711,140.92, 187,346,422.38 and 83,544,892.36 is: 115,331,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,711,140.92 : 187,346,422.38 = 83,544,892.36 : x
  2. Step 2: Convert to fraction form
    135,711,140.92/187,346,422.38 = 83,544,892.36/x
  3. Step 3: Cross multiply
    135,711,140.92x = 187,346,422.38 × 83,544,892.36
  4. Step 4: Simplify right side
    135,711,140.92x = 15,651,836,691,768,194
  5. Step 5: Solve for x
    x = 15,651,836,691,768,194/135,711,140.92
  6. Step 6: Final answer
    x = 115,331,995.48

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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.