Home / 81,878,858.02-112,993,370.33-44,709,396.38

Finding the Fourth Proportional to 81,878,858.02, 112,993,370.33 and 44,709,396.38

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Solution

The fourth proportional to 81,878,858.02, 112,993,370.33 and 44,709,396.38 is: 61,699,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,878,858.02 : 112,993,370.33 = 44,709,396.38 : x
  2. Step 2: Convert to fraction form
    81,878,858.02/112,993,370.33 = 44,709,396.38/x
  3. Step 3: Cross multiply
    81,878,858.02x = 112,993,370.33 × 44,709,396.38
  4. Step 4: Simplify right side
    81,878,858.02x = 5,051,865,382,396,102
  5. Step 5: Solve for x
    x = 5,051,865,382,396,102/81,878,858.02
  6. Step 6: Final answer
    x = 61,699,265.29

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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.