Home / 67,146,446.75-100,719,661.55-18,624,300.30

Finding the Fourth Proportional to 67,146,446.75, 100,719,661.55 and 18,624,300.30

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Solution

The fourth proportional to 67,146,446.75, 100,719,661.55 and 18,624,300.30 is: 27,936,448.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,146,446.75 : 100,719,661.55 = 18,624,300.30 : x
  2. Step 2: Convert to fraction form
    67,146,446.75/100,719,661.55 = 18,624,300.30/x
  3. Step 3: Cross multiply
    67,146,446.75x = 100,719,661.55 × 18,624,300.30
  4. Step 4: Simplify right side
    67,146,446.75x = 1,875,833,222,728,442
  5. Step 5: Solve for x
    x = 1,875,833,222,728,442/67,146,446.75
  6. Step 6: Final answer
    x = 27,936,448.07

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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.