Home / 68,104,952.12-93,987,656.16-38,741,457.44

Finding the Fourth Proportional to 68,104,952.12, 93,987,656.16 and 38,741,457.44

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Solution

The fourth proportional to 68,104,952.12, 93,987,656.16 and 38,741,457.44 is: 53,464,816.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,104,952.12 : 93,987,656.16 = 38,741,457.44 : x
  2. Step 2: Convert to fraction form
    68,104,952.12/93,987,656.16 = 38,741,457.44/x
  3. Step 3: Cross multiply
    68,104,952.12x = 93,987,656.16 × 38,741,457.44
  4. Step 4: Simplify right side
    68,104,952.12x = 3,641,218,781,007,993.50
  5. Step 5: Solve for x
    x = 3,641,218,781,007,993.50/68,104,952.12
  6. Step 6: Final answer
    x = 53,464,816.69

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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.