Home / 52,116,135.58-71,928,888.74-28,918,735.92

Finding the Fourth Proportional to 52,116,135.58, 71,928,888.74 and 28,918,735.92

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Solution

The fourth proportional to 52,116,135.58, 71,928,888.74 and 28,918,735.92 is: 39,912,639.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,116,135.58 : 71,928,888.74 = 28,918,735.92 : x
  2. Step 2: Convert to fraction form
    52,116,135.58/71,928,888.74 = 28,918,735.92/x
  3. Step 3: Cross multiply
    52,116,135.58x = 71,928,888.74 × 28,918,735.92
  4. Step 4: Simplify right side
    52,116,135.58x = 2,080,092,538,491,121.50
  5. Step 5: Solve for x
    x = 2,080,092,538,491,121.50/52,116,135.58
  6. Step 6: Final answer
    x = 39,912,639.63

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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.