Home / 68,835,154.08-94,998,065.04-39,469,218.78

Finding the Fourth Proportional to 68,835,154.08, 94,998,065.04 and 39,469,218.78

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Solution

The fourth proportional to 68,835,154.08, 94,998,065.04 and 39,469,218.78 is: 54,470,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,835,154.08 : 94,998,065.04 = 39,469,218.78 : x
  2. Step 2: Convert to fraction form
    68,835,154.08/94,998,065.04 = 39,469,218.78/x
  3. Step 3: Cross multiply
    68,835,154.08x = 94,998,065.04 × 39,469,218.78
  4. Step 4: Simplify right side
    68,835,154.08x = 3,749,499,412,740,430
  5. Step 5: Solve for x
    x = 3,749,499,412,740,430/68,835,154.08
  6. Step 6: Final answer
    x = 54,470,705.60

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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.