Home / 135,297,049.36-186,707,338.32-76,558,645.48

Finding the Fourth Proportional to 135,297,049.36, 186,707,338.32 and 76,558,645.48

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Solution

The fourth proportional to 135,297,049.36, 186,707,338.32 and 76,558,645.48 is: 105,649,465.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,297,049.36 : 186,707,338.32 = 76,558,645.48 : x
  2. Step 2: Convert to fraction form
    135,297,049.36/186,707,338.32 = 76,558,645.48/x
  3. Step 3: Cross multiply
    135,297,049.36x = 186,707,338.32 × 76,558,645.48
  4. Step 4: Simplify right side
    135,297,049.36x = 14,294,060,922,955,300
  5. Step 5: Solve for x
    x = 14,294,060,922,955,300/135,297,049.36
  6. Step 6: Final answer
    x = 105,649,465.31

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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.