Home / 73,147,400.80-109,720,882.50-18,559,880.80

Finding the Fourth Proportional to 73,147,400.80, 109,720,882.50 and 18,559,880.80

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Solution

The fourth proportional to 73,147,400.80, 109,720,882.50 and 18,559,880.80 is: 27,839,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,147,400.80 : 109,720,882.50 = 18,559,880.80 : x
  2. Step 2: Convert to fraction form
    73,147,400.80/109,720,882.50 = 18,559,880.80/x
  3. Step 3: Cross multiply
    73,147,400.80x = 109,720,882.50 × 18,559,880.80
  4. Step 4: Simplify right side
    73,147,400.80x = 2,036,406,500,470,806
  5. Step 5: Solve for x
    x = 2,036,406,500,470,806/73,147,400.80
  6. Step 6: Final answer
    x = 27,839,765.71

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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.