Home / 57,508,581.25-86,198,975.93-43,816,588.20

Finding the Fourth Proportional to 57,508,581.25, 86,198,975.93 and 43,816,588.20

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Solution

The fourth proportional to 57,508,581.25, 86,198,975.93 and 43,816,588.20 is: 65,676,199.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,508,581.25 : 86,198,975.93 = 43,816,588.20 : x
  2. Step 2: Convert to fraction form
    57,508,581.25/86,198,975.93 = 43,816,588.20/x
  3. Step 3: Cross multiply
    57,508,581.25x = 86,198,975.93 × 43,816,588.20
  4. Step 4: Simplify right side
    57,508,581.25x = 3,776,945,031,155,527.50
  5. Step 5: Solve for x
    x = 3,776,945,031,155,527.50/57,508,581.25
  6. Step 6: Final answer
    x = 65,676,199.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.