Home / 135,148,914.50-186,659,466.81-91,613,267.78

Finding the Fourth Proportional to 135,148,914.50, 186,659,466.81 and 91,613,267.78

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Solution

The fourth proportional to 135,148,914.50, 186,659,466.81 and 91,613,267.78 is: 126,530,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,148,914.50 : 186,659,466.81 = 91,613,267.78 : x
  2. Step 2: Convert to fraction form
    135,148,914.50/186,659,466.81 = 91,613,267.78/x
  3. Step 3: Cross multiply
    135,148,914.50x = 186,659,466.81 × 91,613,267.78
  4. Step 4: Simplify right side
    135,148,914.50x = 17,100,483,716,536,552
  5. Step 5: Solve for x
    x = 17,100,483,716,536,552/135,148,914.50
  6. Step 6: Final answer
    x = 126,530,677.51

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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.