Home / 86,916,628.45-130,392,438.68-25,505,668.45

Finding the Fourth Proportional to 86,916,628.45, 130,392,438.68 and 25,505,668.45

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Solution

The fourth proportional to 86,916,628.45, 130,392,438.68 and 25,505,668.45 is: 38,263,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,916,628.45 : 130,392,438.68 = 25,505,668.45 : x
  2. Step 2: Convert to fraction form
    86,916,628.45/130,392,438.68 = 25,505,668.45/x
  3. Step 3: Cross multiply
    86,916,628.45x = 130,392,438.68 × 25,505,668.45
  4. Step 4: Simplify right side
    86,916,628.45x = 3,325,746,309,231,507
  5. Step 5: Solve for x
    x = 3,325,746,309,231,507/86,916,628.45
  6. Step 6: Final answer
    x = 38,263,636.87

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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.