Home / 68,679,181.96-94,682,567.10-54,787,686.04

Finding the Fourth Proportional to 68,679,181.96, 94,682,567.10 and 54,787,686.04

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Solution

The fourth proportional to 68,679,181.96, 94,682,567.10 and 54,787,686.04 is: 75,531,458.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,679,181.96 : 94,682,567.10 = 54,787,686.04 : x
  2. Step 2: Convert to fraction form
    68,679,181.96/94,682,567.10 = 54,787,686.04/x
  3. Step 3: Cross multiply
    68,679,181.96x = 94,682,567.10 × 54,787,686.04
  4. Step 4: Simplify right side
    68,679,181.96x = 5,187,438,759,736,033
  5. Step 5: Solve for x
    x = 5,187,438,759,736,033/68,679,181.96
  6. Step 6: Final answer
    x = 75,531,458.18

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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.