Home / 86,317,694.55-129,473,556.57-21,622,057.38

Finding the Fourth Proportional to 86,317,694.55, 129,473,556.57 and 21,622,057.38

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Solution

The fourth proportional to 86,317,694.55, 129,473,556.57 and 21,622,057.38 is: 32,432,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,317,694.55 : 129,473,556.57 = 21,622,057.38 : x
  2. Step 2: Convert to fraction form
    86,317,694.55/129,473,556.57 = 21,622,057.38/x
  3. Step 3: Cross multiply
    86,317,694.55x = 129,473,556.57 × 21,622,057.38
  4. Step 4: Simplify right side
    86,317,694.55x = 2,799,484,669,349,215.50
  5. Step 5: Solve for x
    x = 2,799,484,669,349,215.50/86,317,694.55
  6. Step 6: Final answer
    x = 32,432,338.28

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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.