Home / 87,624,222.80-131,423,892.60-30,119,147.60

Finding the Fourth Proportional to 87,624,222.80, 131,423,892.60 and 30,119,147.60

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Solution

The fourth proportional to 87,624,222.80, 131,423,892.60 and 30,119,147.60 is: 45,174,444.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,624,222.80 : 131,423,892.60 = 30,119,147.60 : x
  2. Step 2: Convert to fraction form
    87,624,222.80/131,423,892.60 = 30,119,147.60/x
  3. Step 3: Cross multiply
    87,624,222.80x = 131,423,892.60 × 30,119,147.60
  4. Step 4: Simplify right side
    87,624,222.80x = 3,958,375,619,385,948
  5. Step 5: Solve for x
    x = 3,958,375,619,385,948/87,624,222.80
  6. Step 6: Final answer
    x = 45,174,444.84

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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.