Home / 86,619,721.62-129,945,969.27-34,808,357.58

Finding the Fourth Proportional to 86,619,721.62, 129,945,969.27 and 34,808,357.58

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Solution

The fourth proportional to 86,619,721.62, 129,945,969.27 and 34,808,357.58 is: 52,219,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,619,721.62 : 129,945,969.27 = 34,808,357.58 : x
  2. Step 2: Convert to fraction form
    86,619,721.62/129,945,969.27 = 34,808,357.58/x
  3. Step 3: Cross multiply
    86,619,721.62x = 129,945,969.27 × 34,808,357.58
  4. Step 4: Simplify right side
    86,619,721.62x = 4,523,205,764,429,851
  5. Step 5: Solve for x
    x = 4,523,205,764,429,851/86,619,721.62
  6. Step 6: Final answer
    x = 52,219,121.46

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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.