Home / 105,618,474.82-158,396,977.59-40,907,846.98

Finding the Fourth Proportional to 105,618,474.82, 158,396,977.59 and 40,907,846.98

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Solution

The fourth proportional to 105,618,474.82, 158,396,977.59 and 40,907,846.98 is: 61,349,866.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,618,474.82 : 158,396,977.59 = 40,907,846.98 : x
  2. Step 2: Convert to fraction form
    105,618,474.82/158,396,977.59 = 40,907,846.98/x
  3. Step 3: Cross multiply
    105,618,474.82x = 158,396,977.59 × 40,907,846.98
  4. Step 4: Simplify right side
    105,618,474.82x = 6,479,679,321,346,209
  5. Step 5: Solve for x
    x = 6,479,679,321,346,209/105,618,474.82
  6. Step 6: Final answer
    x = 61,349,866.42

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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.