Home / 68,560,320.77-102,816,566.29-30,200,909.39

Finding the Fourth Proportional to 68,560,320.77, 102,816,566.29 and 30,200,909.39

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Solution

The fourth proportional to 68,560,320.77, 102,816,566.29 and 30,200,909.39 is: 45,290,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,560,320.77 : 102,816,566.29 = 30,200,909.39 : x
  2. Step 2: Convert to fraction form
    68,560,320.77/102,816,566.29 = 30,200,909.39/x
  3. Step 3: Cross multiply
    68,560,320.77x = 102,816,566.29 × 30,200,909.39
  4. Step 4: Simplify right side
    68,560,320.77x = 3,105,153,802,315,218.50
  5. Step 5: Solve for x
    x = 3,105,153,802,315,218.50/68,560,320.77
  6. Step 6: Final answer
    x = 45,290,829.56

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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.