Home / 70,481,907.39-105,826,643.64-39,418,425.03

Finding the Fourth Proportional to 70,481,907.39, 105,826,643.64 and 39,418,425.03

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Solution

The fourth proportional to 70,481,907.39, 105,826,643.64 and 39,418,425.03 is: 59,185,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,481,907.39 : 105,826,643.64 = 39,418,425.03 : x
  2. Step 2: Convert to fraction form
    70,481,907.39/105,826,643.64 = 39,418,425.03/x
  3. Step 3: Cross multiply
    70,481,907.39x = 105,826,643.64 × 39,418,425.03
  4. Step 4: Simplify right side
    70,481,907.39x = 4,171,519,618,499,866.50
  5. Step 5: Solve for x
    x = 4,171,519,618,499,866.50/70,481,907.39
  6. Step 6: Final answer
    x = 59,185,680.03

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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.