Home / 76,629,530.10-114,944,295.15-68,315,430.90

Finding the Fourth Proportional to 76,629,530.10, 114,944,295.15 and 68,315,430.90

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Solution

The fourth proportional to 76,629,530.10, 114,944,295.15 and 68,315,430.90 is: 102,473,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,629,530.10 : 114,944,295.15 = 68,315,430.90 : x
  2. Step 2: Convert to fraction form
    76,629,530.10/114,944,295.15 = 68,315,430.90/x
  3. Step 3: Cross multiply
    76,629,530.10x = 114,944,295.15 × 68,315,430.90
  4. Step 4: Simplify right side
    76,629,530.10x = 7,852,469,052,669,031
  5. Step 5: Solve for x
    x = 7,852,469,052,669,031/76,629,530.10
  6. Step 6: Final answer
    x = 102,473,146.35

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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.